Table 1.
Results of selected published studies of vertical transmission of flaviviruses by mosquitoes
| Virus | Mosquito species | Filial infection rate(s)* | Reference |
|---|---|---|---|
| Yellow fever virus | Aedes aegypti | 1:472 to 1:632 | 14 |
| Haemagogus equinus | 1:5,245 | 15 | |
| Aedes mascarensis | 1:707 | 14 | |
| DENV-1 | Ae. aegypti | < 1:600 to 1:1,543 | 16 |
| Aedes albopictus | 1:200 | 16 | |
| Ae. albopictus | 1:217 | 17 | |
| DENV-2 | Ae. aegypti | < 1:401 to < 1:459 | 16 |
| Ae. aegypti | 1:813 to 1:3,042 | 18 | |
| Ae. albopictus | 1:408 | 16 | |
| DENV-3 | Ae. aegypti | < 1:540 | 16 |
| Ae. albopictus | 1:320 | 16 | |
| Ae. aegypti | 1:36 | 19 | |
| DENV-4 | Ae. aegypti | < 1:1,700 | 16 |
| Ae. albopictus | 1:194 | 16 | |
| West Nile (Kunjin) virus | Culex tritaeniorhynchus | 1:325 to 1:850 | 20 |
| Ae. aegypti | 1:62 to 1:72 | 20 | |
| Ae. albopictus | 1:471 | 17 | |
| Japanese encephalitis virus | Ae. albopictus | 1:235 to 1:826 | 21 |
| Aedes togoi | 1:83 to 1:173 | 21 | |
| Ae. albopictus | 1:267 | 17 | |
| Culex pipiens | 1:711 | 22 | |
| Culex quinquefasciatus | 1:1,336 to 1:6,400 | 22 | |
| St. Louis encephalitis virus | Culex tarsalis | < 1:140 | 23 |
| Aedes taeniorhynchus | 1:181 | 24 | |
| Cx. quinquefasciatus | 1:1,120 | 24 | |
| Ae. albopictus | 1:494 to < 1:828 | 25 | |
| Zika virus | Ae. aegypti | 1:290 | Present study |
| Ae. albopictus | < 1:803 |
DENV = dengue virus.
*
Reported filial infection rates vary depending on the virus strain and mosquito strain used.