TABLE 1.
Inoculum | Dose (no. of PFU/mouse) | % mortality (no. of mice dead/no. tested) | AST (day) |
---|---|---|---|
DTMUV | 10 | 100 (5/5) | 8.2 |
DTMUV | 1 | 60 (3/5) | 8.0 |
DTMUV | 0.1 | 0 (4/4) | NA |
PBS | NA | 0 (0/5) | NA |
One-day-old suckling BALB/c mice were i.c. inoculated with the indicated dose of DTMUV or PBS as a control and monitored daily for 21 days to assess morbidity and mortality. The LD50 was 0.7 PFU. NA, not applicable.