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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)