Table 2 LACV minimal infection rates (MIR) per 1000 mosquitoes tested
From: Local persistence of novel regional variants of La Crosse virus in the Northeast USA
Survey | Location | Year | Species | Total collected | Pools tested | LACV isolates | MIR (95% CI) |
|---|---|---|---|---|---|---|---|
#1 Surveillance programme | Fairfield county | 2005 | Ae. triseriatus | 340 | 163 | 1 | 2.94 (0.00–8.70) |
2015 | Ae. triseriatus | 487 | 186 | 1 | 2.05 (0.00–6.07) | ||
2016 | Ae. triseriatus | 319 | 158 | 1 | 3.13 (0.00–9.27) | ||
2018 | Ae. cinereus | 8469 | 472 | 2 | 0.24 (0.00–0.56) | ||
#2 Lure study | Hamden | 2018 | Ae. canadensis | 844 | 27 | 1 | 1.18 (0.00–3.51) |
Ae. triseriatus | 713 | 32 | 2 | 2.81 (0.00–6.69) | |||
Ae. trivittatus | 918 | 29 | 1 | 1.09 (0.00–3.22) | |||
#3 La Crosse virus foci | Fairfield county | 2018 | Ae. cinereus | 3029 | 218 | 1 | 0.33 (0.00–0.98) |
Ae. triseriatus | 738 | 150 | 5 | 6.78 (0.86–12.69) |