Table 1.
Midgut infection and midgut escape rates of DENV2 strains/isolates QR94, PR159, EM33, EM41, and Jam1409 inAedes aegyptistrains D2S3, Chetumal, or HWE at 14 days pbm
| DENV2 strain/isolate (Ae. aegyptistrain) | No. of mosquitoes | Midgut infection rate (%) | Midgut dissemination rate (%) |
|---|---|---|---|
| QR94 (D2S3) |
30 |
70a |
62a |
| QR94 (Chetumal) |
30 |
70a |
67a |
| Jam1409 (D2S3) |
21 |
100b |
100b |
| Jam1409 (Chetumal) |
30 |
100b |
97b |
| PR159 (HWE) |
30 |
13a |
3a |
| EM41 (HWE) |
30 |
60b |
50b |
| Jam1409 (HWE) |
30 |
97c |
77b |
| QR94 (HWE) |
27 |
56a |
0a |
| EM33 (HWE) |
29 |
34a |
40b |
| Jam1409 (HWE) | 30 | 80b | 85c |
Calculation of midgut dissemination rates was based on those individuals whose midguts were DENV2 infected. Letters a, b, cnext to numbers represent statistically significant groupings (Fisher's exact test; p-value: <0.05).