TABLE 1.
Infection, dissemination, and transmission rates (percentages) estimated on different days after exposure of A. aegypti to the CHIKV wild-type or Δabb′ mutant straina
| Day postinfection | CHIKV wild type |
CHIKV Δabb′ |
||||
|---|---|---|---|---|---|---|
| IR [no. of mosquitoes (%)] | DR [no. of mosquitoes (%)] | TR [no. of mosquitoes (%)] | IR [no. of mosquitoes (%)] | DR [no. of mosquitoes (%)] | TR [no. of mosquitoes (%)] | |
| 3 | 48 (100) | 28 (58) | 0 (0) | 48 (55) | 2 (6) | 0 (0) |
| 6 | 48 (100) | 45 (93) | 17 (38) | 48 (84) | 18 (45) | 1 (7) |
| 9 | 48 (100) | 46 (96) | 13 (29) | 48 (91) | 25 (58) | 1 (4) |
| 12 | 48 (98) | 45 (96) | 3 (7) | 48 (100) | 26 (54) | 2 (10) |
a
Abbreviations: IR, infection rate; DR, dissemination rate; TR, transmission rate.