| Osijek |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 06/1997 |
3 |
3 |
| Annual total |
3 |
|
| Slavonski Brod |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 06/1997 |
6 |
6 |
| Annual total |
6 |
|
| Zagreb |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 10/1997 |
1 |
1 |
| Annual total |
1 |
|
|
|