TABLE 1.
Virus titers in the lungs of BALB/c mice inoculated with NL602, NL602/PB2-627K, NL602/PB2-677G, and NL602/PB2-701N viruses
Time after inoculation (days) | Virus titer (log10 TCID50/g of tissue)a |
|||
---|---|---|---|---|
NL602 | NL602/PB2-627K | NL602/PB2-677G | NL602/PB2-701N | |
3 | 6.0 ± 0.3 | 6.4 ± 0.5 | 6.5 ± 0.4 | 6.0 ± 0.3 |
6 | 4.9 ± 0.3 | 4.9 ± 0.2 | 5.6 ± 0.8 | 5.3 ± 0.4 |
Geometric mean titers ± standard deviations are given.