| Ahuachapán |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 03/1998 |
1 |
1 |
| 07/1998 |
2 |
2 |
| 08/1998 |
1 |
1 |
| Annual total |
4 |
|
| Cabañas |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 06/1998 |
3 |
3 |
| 07/1998 |
4 |
4 |
| 08/1998 |
2 |
2 |
| 09/1998 |
1 |
1 |
| 10/1998 |
1 |
1 |
| Annual total |
11 |
|
| Chalatenango |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 01/1998 |
1 |
1 |
| 02/1998 |
3 |
3 |
| 03/1998 |
2 |
2 |
| 04/1998 |
4 |
4 |
| 06/1998 |
15 |
15 |
| 07/1998 |
12 |
12 |
| 08/1998 |
3 |
3 |
| 09/1998 |
4 |
4 |
| 10/1998 |
2 |
2 |
| Annual total |
46 |
|
| Cuscatlán |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 09/1998 |
1 |
1 |
| Annual total |
1 |
|
| La Libertad |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 06/1998 |
1 |
1 |
| Annual total |
1 |
|
| La Paz |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 03/1998 |
2 |
2 |
| 06/1998 |
2 |
2 |
| 07/1998 |
4 |
4 |
| 08/1998 |
1 |
1 |
| 10/1998 |
2 |
2 |
| 12/1998 |
1 |
1 |
| Annual total |
12 |
|
| La Unión |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 06/1998 |
9 |
9 |
| 07/1998 |
6 |
6 |
| 08/1998 |
3 |
3 |
| 09/1998 |
3 |
3 |
| 10/1998 |
2 |
2 |
| Annual total |
23 |
|
| Morazán |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 03/1998 |
1 |
1 |
| 04/1998 |
2 |
2 |
| 06/1998 |
1 |
1 |
| 07/1998 |
5 |
5 |
| 09/1998 |
5 |
5 |
| 10/1998 |
1 |
1 |
| Annual total |
15 |
|
| San Miguel |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 02/1998 |
2 |
2 |
| 03/1998 |
1 |
1 |
| 04/1998 |
3 |
3 |
| 05/1998 |
2 |
2 |
| 06/1998 |
13 |
13 |
| 07/1998 |
7 |
7 |
| 08/1998 |
1 |
1 |
| 09/1998 |
4 |
4 |
| 12/1998 |
1 |
1 |
| Annual total |
34 |
|
| San Salvador |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 02/1998 |
1 |
1 |
| 07/1998 |
2 |
2 |
| 12/1998 |
1 |
1 |
| Annual total |
4 |
|
| San Vicente |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 06/1998 |
5 |
5 |
| 07/1998 |
5 |
5 |
| 09/1998 |
3 |
3 |
| 10/1998 |
1 |
1 |
| 11/1998 |
1 |
1 |
| Annual total |
15 |
|
| Santa Ana |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 02/1998 |
1 |
1 |
| 03/1998 |
1 |
1 |
| 05/1998 |
5 |
5 |
| 06/1998 |
1 |
1 |
| 07/1998 |
3 |
3 |
| 08/1998 |
1 |
1 |
| 09/1998 |
3 |
3 |
| 10/1998 |
1 |
1 |
| Annual total |
16 |
|
| Sonsonate |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 01/1998 |
2 |
2 |
| 02/1998 |
2 |
2 |
| 03/1998 |
1 |
1 |
| 06/1998 |
1 |
1 |
| 07/1998 |
6 |
6 |
| 08/1998 |
2 |
2 |
| 09/1998 |
1 |
1 |
| 10/1998 |
2 |
2 |
| Annual total |
17 |
|
| Usulután |
| Month |
Number of new
outbreaks in month |
Total number of
outbreaks in month |
| 02/1998 |
3 |
3 |
| Annual total |
3 |
|
|
|