Update README.md

README.md

@@ -63,7 +63,7 @@ This study categorizes datasets into two main groups: publicly available dataset
 | :---------------- | :------:| :------: |:------: | :-----------: |:--------: |
 | Countries/Regions | Europe  | Canada   | Germany | Multi-Country | China     |
 | \#Cases           | 624     | 40       | 88      | 370           | 75        |
-| \#Disease         | 624     | 17       | 39      | 252           | 16        |
+| \#Disease         | 74     | 17       | 39      | 252           | 16        |
 | \#Department      | N/A     | N/A      | N/A     | N/A           | 5         |
 |\#Cases per disease|         |          |         |               |           |
 |--- Minimum        | 1       | 1        | 1       | 1             |  3        |