Table 1.
WHO insecticide susceptibility test results on 1–3 day old F1 An. sinensis reared from females collected from the study area in 2010
| Province | County |
Deltamethrin (0.25% w/v) a |
Resistance status b |
DDT (4%w/v) a |
Resistance status b |
||||
|---|---|---|---|---|---|---|---|---|---|
| Total(n) | (%) mort | 95% CI | Total(n) | (%) mort | 95% CI | ||||
| Hubei |
Guangshui |
102 |
5.96 |
6.04~5.88 |
R |
97 |
9.29 |
9.25~9.33 |
R |
| Henan |
Yongcheng |
108 |
20.35 |
20.47~20.23 |
R |
|
|
|
|
| Hunan |
Heshan |
107 |
28.57 |
28.89~28.25 |
R |
101 |
23.67 |
23.52~23.82 |
R |
| Jiangsu |
Sihong |
96 |
35.72 |
35.79~35.65 |
R |
106 |
47.62 |
47.42~47.82 |
R |
| Jiangxi |
Jinxian |
107 |
12.35 |
12.40~12.30 |
R |
102 |
10.72 |
10.64~10.80 |
R |
| Sichuan |
Minshan |
92 |
64.54 |
57.82~57.18 |
R |
|
|
|
|
| Shanghai |
Songjiang |
80 |
57.5 |
64.84~64.24 |
R |
120 |
73.61 |
73.31~73.91 |
R |
| Yunnan |
Ninger |
100 |
45.84 |
45.96~45.72 |
R |
88 |
52.28 |
52.22~52.34 |
R |
| Susceptible reference strain | 107 | 100.00 | S | 101 | 100.00 | ||||
Results expressed as % mortality 24 hr post exposure.
aWHO diagnostic concentration . bS = susceptible; R = resistant.