|
Strains
|
Days post-inoculation (log10EID50/0.1 mL) ± SDa
|
|---|
|
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.
