| Ahuachapán |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 02/1997 |
1 |
1 |
| 07/1997 |
1 |
1 |
| 09/1997 |
1 |
1 |
| 11/1997 |
5 |
5 |
| 12/1997 |
1 |
1 |
| Annual total |
9 |
|
| Cabañas |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 06/1997 |
8 |
8 |
| 07/1997 |
1 |
1 |
| 08/1997 |
1 |
1 |
| 09/1997 |
3 |
3 |
| 12/1997 |
1 |
1 |
| Annual total |
14 |
|
| Chalatenango |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 05/1997 |
29 |
29 |
| 06/1997 |
22 |
22 |
| 07/1997 |
3 |
3 |
| 08/1997 |
11 |
11 |
| 09/1997 |
13 |
13 |
| 10/1997 |
6 |
6 |
| 11/1997 |
3 |
3 |
| 12/1997 |
2 |
2 |
| Annual total |
89 |
|
| La Libertad |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 04/1997 |
1 |
1 |
| 06/1997 |
5 |
5 |
| 07/1997 |
2 |
2 |
| Annual total |
8 |
|
| La Paz |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 07/1997 |
1 |
1 |
| 08/1997 |
1 |
1 |
| 09/1997 |
1 |
1 |
| 12/1997 |
3 |
3 |
| Annual total |
6 |
|
| La Unión |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 01/1997 |
3 |
3 |
| 04/1997 |
2 |
2 |
| 05/1997 |
8 |
8 |
| 06/1997 |
3 |
3 |
| 07/1997 |
10 |
10 |
| 08/1997 |
4 |
4 |
| 09/1997 |
2 |
2 |
| 10/1997 |
4 |
4 |
| 11/1997 |
8 |
8 |
| Annual total |
44 |
|
| Morazán |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 04/1997 |
2 |
2 |
| 05/1997 |
9 |
9 |
| 06/1997 |
2 |
2 |
| 08/1997 |
3 |
3 |
| 09/1997 |
5 |
5 |
| 10/1997 |
3 |
3 |
| 11/1997 |
4 |
4 |
| 12/1997 |
2 |
2 |
| Annual total |
30 |
|
| San Miguel |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 04/1997 |
1 |
1 |
| 05/1997 |
5 |
5 |
| 06/1997 |
4 |
4 |
| 07/1997 |
7 |
7 |
| 08/1997 |
5 |
5 |
| 09/1997 |
3 |
3 |
| 10/1997 |
4 |
4 |
| 11/1997 |
6 |
6 |
| 12/1997 |
1 |
1 |
| Annual total |
36 |
|
| San Salvador |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 07/1997 |
2 |
2 |
| Annual total |
2 |
|
| San Vicente |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 01/1997 |
1 |
1 |
| 05/1997 |
2 |
2 |
| 06/1997 |
3 |
3 |
| 07/1997 |
4 |
4 |
| 08/1997 |
8 |
8 |
| 09/1997 |
3 |
3 |
| 11/1997 |
1 |
1 |
| 12/1997 |
2 |
2 |
| Annual total |
24 |
|
| Santa Ana |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 01/1997 |
1 |
1 |
| 02/1997 |
1 |
1 |
| 03/1997 |
1 |
1 |
| 04/1997 |
1 |
1 |
| 05/1997 |
3 |
3 |
| 06/1997 |
3 |
3 |
| 07/1997 |
4 |
4 |
| 09/1997 |
3 |
3 |
| 11/1997 |
2 |
2 |
| Annual total |
19 |
|
| Sonsonate |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 01/1997 |
4 |
4 |
| 05/1997 |
1 |
1 |
| 06/1997 |
11 |
11 |
| 07/1997 |
13 |
13 |
| 08/1997 |
1 |
1 |
| 09/1997 |
3 |
3 |
| 10/1997 |
1 |
1 |
| 11/1997 |
2 |
2 |
| Annual total |
36 |
|
| Usulután |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 05/1997 |
1 |
1 |
| 07/1997 |
2 |
2 |
| 09/1997 |
2 |
2 |
| 10/1997 |
1 |
1 |
| 11/1997 |
4 |
4 |
| 12/1997 |
2 |
2 |
| Annual total |
12 |
|
|
|