Table 5. Summary of eight studies on vector competence and behaviour.
Ref | Country | Year study conducted | Mosquito Species | Infection rate | Dissemination rate | Transmission rate | Proportion infected | Proportion disseminated ZIKV | MIR | EIR | MBR | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Africa | 3dpi | 5 dpi | 8 dpi | 10 dpi | 15 dpi | 20–60 dpi | 4 dpi | 7 dpi | 10 dpi | 15 dpi | |||||||||
[84] | Senegal | 2015 | Ae. aegypti | highest 10dpi | 0% | 0–10% | 0–50% | 55% | 5.80% | ||||||||||
Ae. unilineatus | highest 10dpi | 0–10% | 18.70% | 5.30% | |||||||||||||||
Ae. vittatus | highest 10dpi | 0% | 0–100% | 0–100% | 20–50% | 14.40% | 27% | ||||||||||||
Ae. luteocephalus | highest 15dpi | 0% | 0–100% | 20–50% | 75% | 42.20% | |||||||||||||
[91] | Senegal | 2011/04–2011/12 | Ae. aegypti, Ae. africanus, Ae. dalzielii, Ae. furcifer, Ae. vittatus, Cx. perfuscus, Ae. taylori, Ae. hirsutus and Ae. metallicus, Ae. unilineatus, Ma. Unif, An. coustani, An. andoustani | 3–10 | 0.005–0.052 | 0.48 to 12.78 | |||||||||||||
[90] | Senegal | 1976 | Ae. aegypti | 88% | 79–100% (7–30 dpi)/ titer 2–6 | ||||||||||||||
[89] | Nigeria | 1956 | Ae. aegypti | 10 3.4 | 104.7 to 5.6 | ||||||||||||||
Asia | |||||||||||||||||||
[65] | Singapore | 2013 | Ae. albopictus | 100% at 3dpi | 25%+ | 50%+ | 100% + | 100%+ | 100%+ | first isolate+ | 100%+ | ||||||||
[64] | Singapore | 2012 | Ae. aegypti | 87.5% at 3 dpi, 100% at 6 dpi | first obs 4 dpi + | 62%+ | 100%+ | 100%+ | |||||||||||
[85,100] | Yap island | 2007/04–2007/07 | Ae. (Stegomyia) hensilii | 7.1% (4.9 titre*) | 0% (4.9% titer*) | ||||||||||||||
80% (5.7 titer*) | 12.5% (5.7 titer*) | ||||||||||||||||||
86.1% (5.9 titre*) | 22.5% (5.9 titer*) |
* log10 pfu/ml, environment "humid" and 28C, dpi = days post infection,
+ dissemination rate = divide the number of infected salivary glands by the total number of mosquitoes with infected midgets. Transmission rate = divide the number of positive saliva by the number of infected salivary glands. MIR = Minimum infection rate, estimated number of positive mosquitoes per 1000 mosquitoes tested. EIR = Entomologic inoculation rate, number of infected mosquito bites per person, per evening. MBR = mean biting rate, number of female mosquitoes captured per person per evening