Table 5. Summary of the mosquito species, the maximum likelihood estimates (MLEs) of the mosquito Japanese encephalitis virus (JEV) infection rates by year.
| Species | 2005 | 2006 | 2007 | 2005–20071 | 2008 | 2009 | 2010 | 2011 | 2012 |
| Aedes aegypti | 0 (0.00–499.14); 0/2/32 | ||||||||
| Ae. albopictus | 30.48(2.28–138.68); 1/6/27 | 30.48 (2.28–138.68); 1/6/27 | 0.00 (0.00–97.86); 0/5/27 | 0 (0.00–25.12); 0/12/110 | 0 (0.00–545.52); 0/1/2 | 0 (0.00–133.58); 0/1/11 | |||
| Ae. penghuensis | 0 (0.00–10.46); 0/10/283 | ||||||||
| Ae. vexans | 31.04 (2.05–147.76); 1/5/30 | 0 (0.00–793.45); 0/1/1 | 30.34 (1.98–143.52); 1/6/31 | 0 (0.00–793.45); 0/1/1 | 14.92 (2.86–49.98); 2/16/141 | 0 (0.00–112.36); 0/3/19 | 0 (0.00–103.70);; 0/3/20 | 0 (0.00–60.73); 0/3/34 | |
| Anopheles ludlowae | 0 (0.00–793.45); 0/1/1 | ||||||||
| An. minimus | 66.36 (4.87–294.18); 1/4/13 | 0 (0.00–499.14); 0/2/3 | 58.09 (3.84–252.43); 1/6/16 | 0 (0.00–545.52); 0/1/2 | |||||
| An. sinensis | 4.22 (1.61–9.21); 5/50/1207 | 0 (0.00–8.02); 0/13/409 | 3.14 (1.19–6.86); 5/63/1616 | 0 (0.00–13.09); 0/12/248 | 2.37 (0.14–11.37); 1/20/407 | 0 (0.00–10.98); 0/18/292 | 0 (0.00–33.34); 0/5/74 | 0 (0.00–793.45); 0/1/1 | |
| An. tessellatus | NA3; 1/1/1 | NA; 1/1/1 | 3.47 (0.21–16.68); 1/20/281 | 0 (0.00–12.47); 0/8/233 | 0 (0.00–99.81); 0/1/15 | 0 (0.00–231.16); 0/1/6 | |||
| Armigeres subalbatus | 26.12 (7.62–68.18); 3/15/116 | 26.12 (7.62–68.18); 3/15/116 | 0 (0.00–178.93); 0/1/8 | 0 (0.00–122.60); 0/5/21 | 0 (0.00–42.11); 0/8/68 | 0 (0.00–123.16); 0/1/12 | |||
| Coquillettidia crassipes | 0 (0.00–35.21); 0/1/44 | 0 (0.00–499.14); 0/2/3 | |||||||
| Culex annulus | 21.49 (9.04–48.19); 4/18/169 | 22.91 (1.49–112.23); 1/5/41 | 22.91 (10.22–47.10); 5/23/210 | 111.48 (27.79–316.17); 2/5/15 | 1.52 (0.09–7.28); 1/27/639 | 10.68 (0.70–49.65); 1/14/85 | 0 (0.00–66.85); 0/5/28 | 0 (0.00–165.40); 0/5/14 | |
| Cx. bitaeniorhynchus | 0 (0.00–200.11); 0/5/12 | 0 (0.00–145.91); 0/1/10 | 0 (0.00–40.66); 0/1/38 | ||||||
| Cx. brevipalpis | 0 (0.00–793.45); 0/1/1 | ||||||||
| Cx. fuscanus | 0 (0.00–657.62): 0/2/2 | 0 (0.00–545.52); 0/1/2 | |||||||
| Cx. fuscocephala | 13.01 (3.96–47.66); 2/5/110 | 13.01 (3.96–47.66); 2/5/110 | 14.86 (1.08–138.51); 1/2/64 | 0 (0.00–20.65); 0/5/129 | 0 (0.00–29.48); 0/7/91 | ||||
| Cx. mimeticus | 0 (0.00–793.45); 0/1/1 | ||||||||
| Cx. murrelli | 0 (0.00–793.45); 0/1/1 | 0 (0.00–61.14); 0/1/25 | 0 (0.00–114.25); 0/1/13 | ||||||
| Cx. nigropunctatus | 0 (0.00–160.75); 0/1/9 | ||||||||
| Cx. quinquefasciatus | 4.58 (0.84–15.05); 2/24/445 | 0 (0.00–40.88); 0/5/51 | 4.10 (0.75–13.47); 2/29/496 | 0 (0.00–16.35); 0/12/195 | 0 (0.00–6.17); 0/30/566 | 0 (0.00–31.32); 0/3/76 | |||
| Cx. rubithoracis | 0 (0.00–58.86); 0/1/26 | 0.00 (0.00–58.86); 0/1/26 | 0 (0.00–300.42); 0/2/6 | 0 (0.00–173.58); 0/2/11 | 0 (0.00–103.51); 0/3/22 | ||||
| Cx. sitiens | 0 (0.00–2.09); 0/37/1745 | 0 (0.00–0.83); 0/91/4550 | |||||||
| Cx. tritaeniorhynchus | 12.41 (10.73–14.30); 185/607/17843 | 5.59 (4.07–7.52); 41/208/8144 | 0.59 (0.11–1.93); 2/87/3410 | 8.90 (7.81–10.11); 228/902/29397 | 11.84 (8.56–16.06); 39/126/3923 | 2.21 (1.64–2.72); 60/651/29578 | 5.13 (3.91–6.63); 55/266/12011 | 6.26 (4.39–8.72); 33/126/6096 | 7.73 (5.85–10.05); 53/171/8184 |
| Mansonia uniformis | 32.92 (1.89–173.90) | 0 (0.00–161.60); 0/2/10 | 24.72 (1.42–126.77); 1/8/43 | 0 (0.00–367.00); 0/3/5 | 0 (0.00–99.47); 0/3/20 | 0 (0.00–499.14); 0/2/3 | 0 (0.00–450.75); 0/3/4 | ||
| Ochlerotatus albolateralis | 0 (0.00–793.45); 0/1/1 | ||||||||
| Oc. togoi | 0 (0.00–793.45); 0/1/1 | ||||||||
| Uranotaenia macfarlanei | 0 (0.00–793.45); 0/1/1 | ||||||||
| Total | 12.12 (10.57–13.85); 206/742/20020 | 5.35 (3.91–7.17); 42/236/8659 | 0.59 (0.11–1.93); 2/87/3410 | 8.86 (7.82–10.00); 250/1065/32089 | 11.04 (8.08–14.81); 42/159/4454 | 2.05 (1.60–2.60); 65/801/33039 | 3.27 (2.50–4.22); 56/482/18385 | 6.01 (4.21–8.37); 33/146/6314 | 7.54 (5.71–9.81); 53/195/8352 |
1
Combined data from the 2005 to 2007.
2
The maximal likelihood estimation of the JEV infection rate per 1000 mosquitoes and the 95% confidence interval (lower limit-upper limit); and the number of JEV positive pools/the number of pools tested/the number of mosquitoes tested by RT-PCR.
3
Not available.