Table 1.
Prespraying infestation |
Infestation at 4 mo postspraying | |||||
---|---|---|---|---|---|---|
House-level | Site-level | |||||
Positive | Negative | Total | Positive | Negative | Total | |
Positive | 34 | 113 | 147 | 28 | 181 | 209 |
Negative | 5 | 158 | 163 | 21 | 1916 | 1937 |
Total | 39 | 271 | 310 | 49 | 2097 | 2146 |
Only inhabited houses and sites present before and after spraying are included.