TABLE 1.
Time (h) in culture
|
Inoculum size (PFU) | % of cells infected | No. of animals | Total no. of cells analyzed | |
---|---|---|---|---|---|
Before infection | After infection | ||||
4 | 20 | 25,000 | 10.7 ± 0.3 | 3 | 819 |
16 | 20 | 25,000 | 19.3 ± 2.0 | 3 | 911 |
16 | 20 | 625,000 | 22.3 ± 1.7 | 3 | 608 |
16 | 12 | 25,000 | 17.0 ± 0.4 | 4 | 948 |