Table 4.
Virus titers in cloacal and oropharyngeal swabs from chickens
| Strains | Days post-inoculation (log 10EID 50/0.1 mL) ± SD a | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 Day | 5 Day | 7 Day | 9 Day | 11 Day | |||||||
| Oropharyngeal swabs | Cloacal swabs | Oropharyngeal swabs | Cloacal swabs | Oropharyngeal swabs | Cloacal swabs | Oropharyngeal swabs | Cloacal swabs | Oropharyngeal swabs | Cloacal swabs | ||
| SS-10 | Infected b | 4.30 ± 0.51 (6/6) | 4.5 (6/6) | 2.67 ± 0.14 (3/3) | 1.75 ± 0.43 (1/3) | -d | - | - | - | - | - |
| Contact c | 2.50 ± 0.25 (3/3) | 3.17 ± 0.63 (3/3) | 3.42 ± 0.58 (3/3) | 2.50 ± 0.75 (3/3) | 1.75 (1/1) | 1.75 (1/1) | NDe (0/1) | ND (0/1) | ND (0/1) | ND (0/1) | |
| NH-10 | Infected | 3.58 ± 0.20 (6/6) | 4.04 ± 0.56 (6/6) | 4.5 (1/1) | 5.25 (1/1) | - | - | - | - | - | - |
| Contact | 2.42 ± 0.14 (3/3) | 2.58 ± 0.14 (3/3) | 4.25 ± 0.43 (3/3) | 4.67 ± 0.88 (3/3) | - | - | - | - | - | - | |
aFor statistical purposes, a value of 1.5 was assigned if virus was not detected from the undiluted sample in three embryonated hen’s eggs [17].
bChickens inoculated with virus.
cNaive contact chickens housed with those inoculated.
dAll the chickens died at the end of the observation.
eNo detected.