TABLE 4.
Minimum time of exposure to vaginal SIV that results in systemic infection
| Experimental group | No. of animals | Duration of each SIV exposurea (min) | No. of SIV exposures | Outcome of SIV exposure (no. infected/no. exposed) |
|---|---|---|---|---|
| A | 2 | 15 | 1 | 0/2 |
| 2 | 30 | 1 | 1/2 | |
| 2 | 60 | 1 | 0/2 | |
| B | 1 | 30 | 2 | 1/1 |
| 2 | 60 | 2 | 2/2 | |
| C | 2 | 15 | 1 | 0/2 |
| D | 6 | NA | 1 | 4/6 |
| E | 8 | NA | 1 | 8/8 |
See Fig. 5 for an explanation of the interventions used for each experimental group. NA, not applicable (no intervention).