Table 2.
Rates of Zika virus transmission (number tested, 95% confidence interval) by mosquitoes 16–17 d after being inoculated intrathoracically with 0.3 μl of media containing 1.8 × 107 plaque-forming units per milliliter of virus
| Mosquito species | Mosquito origin | % Transmissiona |
|---|---|---|
| Aedes aegypti | Colonized; Costa Rica strain (BEI Resources) | 5 (22, <1–23) |
| Aedes vexans | Wild-caught; Grand Forks Co., ND | 34 (47, 21–49) |
a
Percentage of mosquitoes with a disseminated viral infection that expectorated virus into fluid-filled capillary tubes following a topical application of 0.4 µl acetone containing malathion (0.14% AI) to induce salivation.