Table 3. WNV infection rates (total WNV positive/total tested) of Cx. quinqufasciatus following exposure to an infectious bloodmeal.
| population | WNV strain | BM titer (log10/ml) | Day 4 or 5 (%) | Day 7 (%) | Day 10 (%) | Day 12 or 14 (%) | TOTAL (%) |
|---|---|---|---|---|---|---|---|
| colony | WNV-IC | 7.8 | 30/110 (27.3) | 30/100 (30) | 31/69 (44.9) | 37/79 (46.8) | 128/358 (35.8) |
| V793I/G806R | 7.7 | 0/70 (0)* | 1/60 (1.7)* | 1/40 (2.5)* | 0/40 (0)* | 2/210 (1.0)* | |
| T248I | 7.5 | 1/40 (2.5)* | 0/52 (0)* | 1/59 (1.7)* | 2/52 (3.9)* | 3/203 (1.5)* | |
| field | WNV-IC | 7.4 | nc | 11/35 (31.4) | nc | 18/39 (46.2) | 29/75 (39.2) |
| V793I/G806R | 7.4 | nc | 1/35 (2.9)* | nc | 0/40 (0)* | 1/75 (1.3)* | |
| T248I | 7.3 | nc | 1/36 (2.8)* | nc | 1/42 (2.4)* | 2/78 (2.6)* |
nc- not completed
*Chi-squared, p<0.0001