Table 1.
Virus shedding and seroconversion of chickens infected with reassortant viruses on the indicated dpi
| Groups | 3 dpi | 5 dpi | 7 dpi | Seroconversion (HI titer) | |||
|---|---|---|---|---|---|---|---|
| Oropharyngeal | Cloaca | Oropharyngeal | Cloaca | Oropharyngeal | Cloaca | ||
| rH9N1 | 3/3a (1.58 ± 0.14b) | 2/3c | 2/3 | 3/3 | 1/3 | 0/3 | 3/3d (245 ± 153) |
| H9N2 | 3/3 (3.33 ± 0.72) | 2/3 | 3/3 (2.25 ± 0.66) | 2/3 | 1/3 | 2/3 | 3/3 (512) |
| rH9N3 | 3/3 (2.25 ± 1.39) | 0/3 | 3/3 (1.92 ± 0.52) | 0/3 | 0/3 | 0/3 | 3/3 (1365 ± 529) |
aThe number of chickens shedding virus out of total numbers.
bThe virus titers presented by log10 geometric mean ± SEM EID50/100 μL among positive samples.
cTwo chickens shed virus, the titers are below the detection limit.
dThe number of chickens that were seropositive out of total numbers on day 14 dpi, HI titers presented by geometric mean HI values ± SEM.