Table 2.
Colonization of infected naïve and reinfected adolescent baboons
| Infected animal group | Colonization on indicated day postinoculationa |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2/3 | 5 | 7 | 9/10 | 12 | 14 | 16/17 | 19 | 21 | 26 | 33 | |
| Naïve adolescent | C | C | C | C | T | 310 | 0 | 0 | 0 | 0 | 0 |
| C | C | C | C | T | T | 150 | 0 | 0 | 0 | 0 | |
| Reinfected adolescent | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 14 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
a
Nasopharyngeal washes were performed as described in Materials and Methods, and the recovered washes were plated in duplicate on Regan-Lowe plates with cephalexin. The number of CFU per 50 μl of nasopharyngeal wash was recorded for the indicated days postinoculation. T, colonies were distinguishable but were too numerous to count (>2,000); C, confluent growth.