id int64 5 34 | title stringclasses 1
value | context stringclasses 20
values | question stringlengths 19 61 | answers stringlengths 40 350 |
|---|---|---|---|---|
12 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What is the location of the event?
| {'answer_start': [45], 'text': ['Denmark']} |
27 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | How was the event first detected?
| {'answer_start': [75], 'text': ['several complaints from citizens']} |
31 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | How many people were ill?
| {'answer_start': [3232], 'text': ['140 cases']} |
28 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | How many people were hospitalized?
| {'answer_start': [4086], 'text': ['Four patients ']} |
20 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What are the pathogens?
| {'answer_start': [1106], 'text': ['coliform counts and�Escherichia coli)']} |
20 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What are the symptoms?
| {'answer_start': [128], 'text': ['diarrhoea and vomiting ']} |
19 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What are the initial steps of investigation?
| {'answer_start': [706], 'text': ['water samples for microbiological and chemical analyses were systematically collected from the water distribution system']} |
29 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What are the first steps of mitigation?
| {'answer_start': [322], 'text': ['prohibited any use of the water - except for toilet flushing']} |
24 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What type of samples were examined?
| {'answer_start': [2673], 'text': ['Stool samples']} |
31 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What did the authorities do to restore the system?
| {'answer_start': [5959], 'text': ['the distribution system was subsequently disinfected by chlorination']} |
11 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What steps were taken to restore the problem?
| {'answer_start': [5750], 'text': ['Flushing of the area�s distribution system was initiated immediately and sustained for several weeks']} |
24 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What did the authorities do to mitigate the event? | {'answer_start': [538], 'text': ['The citizens in the area were warned by the police and through radio broadcasts']} |
30 | Contamination Question Answering | On Monday 15 January 2007, a municipality in Denmark received the first of several complaints from citizens who reported severe diarrhoea and vomiting over the weekend. Over the same period, the drinking water in many houses was reported to be discoloured and of unusual smell and taste. The local authorities immediatel... | What was the alert of the event? | {'answer_start': [195], 'text': ['drinking water in many houses was reported to be discoloured and of unusual smell and taste.']} |
27 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What type of samples were analyzed?
| {'answer_start': [1761], 'text': ['aecal and drinking water samples']} |
12 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What were the first steps of investigation? | {'answer_start': [2040], 'text': ['trawling questionnaire']} |
29 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What is the date of the event?
| {'answer_start': [3], 'text': ['October/November 2005']} |
18 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What is the location of the event?
| {'answer_start': [111], 'text': ['Ireland']} |
22 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | How many people were ill?
| {'answer_start': [129], 'text': ['Eighteen']} |
19 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | How many people were hospitalized?
| {'answer_start': [313], 'text': ['Two children']} |
11 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What are the pathogens?
| {'answer_start': [70], 'text': ['Escherichia coli (VTEC)']} |
26 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What is the event?
| {'answer_start': [38], 'text': ['outbreak of verotoxin-producing Escherichia coli (VTEC)']} |
10 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What are the first steps of mitigation?
| {'answer_start': [1376], 'text': ['voluntary closure of the cr�ches']} |
33 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What did the authorities do to mitigate the event? | {'answer_start': [1534], 'text': ['boil water� advisory']} |
30 | Contamination Question Answering | In October/November 2005, the largest outbreak of verotoxin-producing Escherichia coli (VTEC) ever recorded in Ireland occurred. Eighteen E. coli O157 culture-positive cases, phage type 32, verotoxin 2 positive, were identified in a small rural area of mid-west Ireland. Half of these patients were asymptomatic. Two chi... | What were the associated pathogens of concern? | {'answer_start': [1908], 'text': ['E. coli O157']} |
28 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What symptoms did the people had? | {'answer_start': [2280], 'text': ['diarrhoea']} |
34 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What caused the event? | {'answer_start': [14082], 'text': ['firefighting']} |
7 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What symptoms did people report? | {'answer_start': [7763], 'text': ['Diarrhoea']} |
20 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What is the initial cause of the event?
| {'answer_start': [13181], 'text': ['incident during the firefighting']} |
12 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What is the date of the event?
| {'answer_start': [135], 'text': ['6 December 2010']} |
12 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What is the location of the event?
| {'answer_start': [216], 'text': ['Belgium']} |
20 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What pathogen was connected to the outbreak? | {'answer_start': [12032], 'text': ['Campylobacter sp. was detected in one, NoV GI in two and NoV GII in seven patients. Rotavirus was detected in one patient and G. lamblia was detected in three samples']} |
22 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | How was the event first detected?
| {'answer_start': [576], 'text': ['routinely taken tap water samples']} |
16 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | How many people were ill?
| {'answer_start': [6618], 'text': ['603 patients']} |
17 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | How many people were hospitalized?
| {'answer_start': [6886], 'text': ['Six patients']} |
32 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What is the attack rate?
| {'answer_start': [14170], 'text': ['18.7%']} |
20 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | How many people died?
| {'answer_start': [6918], 'text': ['One patient']} |
25 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What are the pathogens?
| {'answer_start': [0], 'text': ['Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia']} |
6 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What is the concentration of the contaminant after analysis?
| {'answer_start': [12602], 'text': ['>200 c.f.u./100 ml for E. coli and >1100 c.f.u./100 ml for enterococci. ']} |
18 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What are the symptoms?
| {'answer_start': [2000], 'text': ['gastroenteritis']} |
22 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What is the event?
| {'answer_start': [225], 'text': ['Fireghters used water from two hydrants, connected to the tap water network, and from a unit hydrosub, which is used for pumping surface and river water']} |
28 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What are the initial steps of investigation?
| {'answer_start': [1317], 'text': ['We conducted an epidemiological study to describe the size and identify the source of the outbreak.']} |
22 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What are the first steps of mitigation?
| {'answer_start': [805], 'text': ['advised not to consume or use tap water']} |
14 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What did the local authorities advise?
| {'answer_start': [12985], 'text': ['Bottled potable water was distributed to the population']} |
24 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What type of samples were examined?
| {'answer_start': [116], 'text': [' stool samples']} |
15 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What steps were taken to restore the problem?
| {'answer_start': [13042], 'text': ['Sanitation of water pipes']} |
19 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What measures were taken to prevent the event?
| {'answer_start': [13533], 'text': ['a warning was sent to other re brigades ']} |
28 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What was the age of the affected people?
| {'answer_start': [6672], 'text': ['The age ranged from 1 to 91 years with a median age of 36 years']} |
31 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What is the source of contamination? | {'answer_start': [13707], 'text': ['consumption of water contaminated by river water']} |
20 | Contamination Question Answering | Campylobacter sp. (2/56), norovirus GI and GII (11/56), rotavirus (1/56) and Giardia lamblia (3/56) were detected in stool samples. On 6 December 2010 there was a fire in a textile factory in the centre of Hemiksem, Belgium. Fireghters used water from two hydrants, connected to the tap water network, and from a unit hy... | What was the alert of the event? | {'answer_start': [664], 'text': [' Local general practitioners (GPs) reported an increase in consultations for gastroenteritis']} |
25 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What symptoms did the people had? | {'answer_start': [2584], 'text': ['diarrhoea (o3 loose stools/day) or vomiting']} |
34 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What symptoms were developed? | {'answer_start': [3758], 'text': ['diarrhoea (n=813, 79%), vomiting (n=601, 59%), fever (n=337, 33%) and abdominal pain']} |
28 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What type of samples were analyzed?
| {'answer_start': [3615], 'text': ['Stool specimens']} |
21 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the initial cause of the event?
| {'answer_start': [1909], 'text': ['A valve in the waste-water plant connecting the drinking-water line and a waste-water effluent line had been opened during the maintenance work and inadvertently left open for 2 days. ']} |
11 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the date of the event?
| {'answer_start': [1452], 'text': ['30 November']} |
18 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the location of the event?
| {'answer_start': [106], 'text': ['Finnish town']} |
30 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What pathogen was connected to the outbreak? | {'answer_start': [4073], 'text': ['norovirus']} |
28 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the source that started the event?
| {'answer_start': [4422], 'text': ['Drinking-water contamination']} |
13 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | How was the event first detected?
| {'answer_start': [1207], 'text': ['customers complained of a bad smell and taste in their tap water.']} |
8 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | How many people were ill?
| {'answer_start': [709], 'text': ['8453 residents']} |
17 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the attack rate?
| {'answer_start': [815], 'text': ['53%']} |
28 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What are the pathogens?
| {'answer_start': [2206], 'text': ['adenoviruses and noroviruses ']} |
17 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What are the symptoms?
| {'answer_start': [1550], 'text': ['diarrhoea and vomiting']} |
29 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the event?
| {'answer_start': [0], 'text': ['An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water']} |
30 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the duration of the event?
| {'answer_start': [2501], 'text': ['almost 3 months']} |
8 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What are the first steps of mitigation?
| {'answer_start': [1709], 'text': ['Extensive water and pipeline sampling was initiated and a boil-water notice issued, and water chlorine concentration was increased. ']} |
5 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What measures were taken to prevent the event?
| {'answer_start': [4324], 'text': ['waterworks across the country ']} |
17 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What is the source of contamination? | {'answer_start': [2115], 'text': ['drinking-water network became contaminated with sewage effluent']} |
11 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What was the alert of the event? | {'answer_start': [1511], 'text': ['officials received reports of bouts of diarrhoea and vomiting among residents, and during that same day an increase in the number of patients with gastroenteritis was observed at the health centre.']} |
18 | Contamination Question Answering | An inappropriate cross-connection between sewage and drinking-water pipelines contaminated tap water in a Finnish town, resulting in an extensive waterborne gastroenteritis outbreak in this developed country. According to a database and a line-list, altogether 1222 subjects sought medical care as a result of this expos... | What were the associated pathogens of concern? | {'answer_start': [4164], 'text': ['non-typhoidal salmonellas, Clostridium difficile and rotavirus']} |
5 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What type of samples were analyzed?
| {'answer_start': [724], 'text': ['stool samples']} |
14 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What caused the event? | {'answer_start': [3458], 'text': ['drinking water contamination caused by congestion of the combined rainwater drainage and sewage system']} |
5 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What did the local authorities investigate? | {'answer_start': [1603], 'text': ['online questionnaire']} |
8 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What is the initial cause of the event?
| {'answer_start': [3129], 'text': ['backflow of sewage water into the gravel surrounding the borehole']} |
20 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What is the date of the event?
| {'answer_start': [41], 'text': ['June 2009']} |
13 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What is the location of the event?
| {'answer_start': [131], 'text': ['Danish town']} |
16 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What pathogen was connected to the outbreak? | {'answer_start': [880], 'text': ['coliform bacteria']} |
19 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | How was the event first detected?
| {'answer_start': [1129], 'text': ['unusual increase in patients with acute gastroenteritis.']} |
23 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | How many people were ill?
| {'answer_start': [492], 'text': ['163 cases']} |
20 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What is the attack rate?
| {'answer_start': [526], 'text': ['16%']} |
29 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What are the pathogens?
| {'answer_start': [650], 'text': ['Campylobacter jejuni']} |
29 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What are the symptoms?
| {'answer_start': [1916], 'text': ['diarrhoea (>3 loose stools in 24 h) or abdominal pain with either fever or vomiting']} |
20 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What is the event?
| {'answer_start': [144], 'text': ['The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study of blood samples from cases and asymptomatic members of case households, and (4) environmental analyses of the ... |
28 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What are the first steps of mitigation?
| {'answer_start': [1362], 'text': ['tap-water boiling advice']} |
12 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What type of samples were examined?
| {'answer_start': [848], 'text': ['Water samples']} |
25 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What did the authorities do to mitigate the event? | {'answer_start': [2897], 'text': ['boiling order was in place for the whole town and the inhabitants were supplied with drinking water from tank trucks']} |
24 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What was the age of the affected people?
| {'answer_start': [2447], 'text': ['mean age 42 years)']} |
29 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What is the source of contamination? | {'answer_start': [3310], 'text': ['drinking water']} |
26 | Contamination Question Answering | Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study o... | What were the associated pathogens of concern? | {'answer_start': [1186], 'text': ['Campylobacter spp']} |
32 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What symptoms did the people had? | {'answer_start': [1115], 'text': ['abdominal pain, nausea and headache']} |
27 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What type of samples were analyzed?
| {'answer_start': [724], 'text': ['water samples']} |
22 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What symptoms did people report? | {'answer_start': [647], 'text': ['omiting, nausea, abdominal pain, fever']} |
26 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What is the date of the event?
| {'answer_start': [6], 'text': ['March 2012']} |
21 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What is the location of the event?
| {'answer_start': [158], 'text': ['Norwegian']} |
11 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What pathogen was connected to the outbreak? | {'answer_start': [1425], 'text': ['Cryptosporidium oocysts ']} |
13 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What is the source that started the event?
| {'answer_start': [2496], 'text': ['oocysts in the faeces of infected lambs and/or goat kids']} |
21 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | How was the event first detected?
| {'answer_start': [18], 'text': ['the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis']} |
19 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | How many people were ill?
| {'answer_start': [1775], 'text': ['40']} |
25 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What is the attack rate?
| {'answer_start': [1843], 'text': ['19%']} |
28 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What are the pathogens?
| {'answer_start': [182], 'text': ['Cryptosporidium oocysts ']} |
20 | Contamination Question Answering | On 25 March 2012, the Norwegian Institute of Public Health (NIPH) was notified about several cases of gastroenteritis in schoolchildren following a stay at a Norwegian holiday farm. Cryptosporidium oocysts were identified in faecal samples from some of the children. A retrospective cohort study was conducted in school-... | What is the concentration of the contaminant after analysis?
| {'answer_start': [2311], 'text': ['>1*10^6 oocysts/g faeces']} |
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