Viruses | IVPI | Virus replication in chickens#(log10EID50/ml ± SE) | MLD50 (log10EID50 /50 μl) | Virus replication in mice&(log10EID50/ml ± SE) | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Day 3 | Day 5 | |||||||||
Trachea | Cloacal | Lungs | Trachea | Cloacal | Lungs | Day 3 | Day 6 | |||
C4/W1 | 0.8 | 4/4* (3.9 ± 0.4) | 4/4 (2.4 ± 0.5) | 4/4 (3.5 ± 0.2) | 4/4 (5.4 ± 0.2) | 3/4 (3.3 ± 0.3) | 4/4 (4.7 ± 0.6) | 6.5 | 3/3* (4.6 ± 0.2) | 3/3 (3.3 ± 0.3) |
ts-C4/W1 | 0 | 0/4 | 0/4 | 0/4 | 0/4 | 0/4 | 0/4 | >8.0 | 2/3 (1.6 ± 0.1) | 0/3 |
C4/W1-PA(F35S) | 0 | 4/4 (1.8 ± 0.3) | 0/4 | 0/4 | 0/4 | 0/4 | 0/4 | >8.0 | 3/3 (3.4 ± 0.3) | 2/3 (2.5 ± 0.1) |