Table 2 Monthly mosquito indices and occurrence of dengue in Dak Lak province
From: Ecological factors associated with dengue fever in a central highlands Province, Vietnam
Month | House Indexa | Container Indexa | Breteau Indexa | No. of casesb |
|---|---|---|---|---|
Jan | 3.7 | 2.9 | 4.8 | 27 |
Feb | 4.2 | 3.3 | 5.4 | 20 |
Mar | 3.9 | 3.4 | 5.4 | 22 |
Apr | 4.6 | 3.4 | 5.9 | 43 |
May | 5.6 | 4.1 | 6.9 | 183 |
Jun | 6.6 | 4.9 | 9.1 | 302 |
Jul | 7.0 | 5.5 | 10.1 | 448 |
Aug | 7.4 | 5.8 | 10.1 | 593 |
Sep | 7.4 | 5.8 | 9.6 | 1007 |
Oct | 7.1 | 6.2 | 9.7 | 459 |
Nov | 5.6 | 3.9 | 6.9 | 281 |
Dec | 4.7 | 3.2 | 5.7 | 117 |