TABLE 2.
Virus | LD50 (PFU)a |
|
---|---|---|
Expt 1 | Expt 2 | |
YK655 (ΔUL12) | 105.2 | |
YK656 (ΔUL12-repair) | 101.8 | |
YK665 (UL12G336A/S338A) | 103.5 | 103.5 |
YK666(UL12GA/SA-repair) | 101.5 | 101.5 |
YK660 (UL12Y371F) | 103.8 | |
YK661 (UL12Y371F-repair) | 101.5 | |
YK662 (UL12Y371E) | 101.8 |
Three-week-old female ICR mice were infected intracranially with 10-fold serial dilutions of each of the indicated viruses in groups of 3 per dilution; mortality was monitored for 14 days; and LD50 values were calculated.