The Use of Insecticide-Treated Curtains for Control of Aedes aegypti and Dengue Virus Transmission in “Fraccionamiento” Style Houses in México
Table 5
Dengue virus infections in Aedes aegypti females collected inside and outside of control (NTC) and intervention (ITC) homes from Aug. 2012 to June 2014.
Area
City
BEFORE CURTAIN INSTALLATION DENV+/total tested
AFTER CURTAIN INSTALLATION DENV+/total tested
NTC
ITC
Inside (BP1)
Outside (BP)
Inside (BP)
Outside (BP and BG2)
Inside (BP)
Outside (BP and BG)
Urban/suburban
Mérida
3/1,987
1/371
1/1,058
4/1,009
3/1,079
4/913
Umán
15/440
4/39
1/301
0/180
0/117
6/205
Caucel
1/25
0/0
1/42
0/25
0/94
0/46
Total
19/2,452
5/410
3/1,401
4/1,214
3/1,290
10/1,164
Infection Rate per 1,000 mosquitoes
7.7
12.2
2.1
3.3
2.3
8.6
Odds Ratio (95% HPD)
1.58 (0.46–4.41)
1.54 (0.26–10.54)
3.72 (0.95–21.06)
Rural
Maxcanú
0/30
0/4
1/181
3/72
0/26
1/23
Motul
4/194
1/13
0/271
3/124
0/180
2/143
Total
4/224
1/17
1/452
6/196
0/206
3/166
Infection Rate per 1,000 mosquitoes
17.9
58.8
2.2
30.6
0.0
18.1
Odds Ratio (95% HPD)
3.41 (0.03–15.21)
14.19 (1.70–654.28)
NA
Total
Urban/Suburban and Rural
23/2,676
6/427
4/1,853
10/1,410
3/1,496
13/1,330
Infection Rate per 1,000 mosquitoes
8.6
14.1
2.2
7.1
2.0
9.8
Odds Ratio (95% HPD)
1.64 (0.54–4.18)
3.30 (0.950–14.44)
4.91 (1.34–26.92)
Mosquitoes collected by backpack aspiration; 2Mosquitoes collected by backpack aspiration and BGS traps outside of homes.
