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. 2011 Dec;85(24):13354–13362. doi: 10.1128/JVI.05946-11

Table 4.

Replication, transmission, and seroconversion of chickens infected with representative H6 AIVs

Virus No. of positive chickens/total no. of chickens (peak virus titer [log10 EID50/ml])a
Mean HI titer (log2 serum dilution) (no. of positive chickens/total no. of chickens)
Inoculated
Direct contact
T C T C Inoculated Contact
206/H6N8 0/6 0/6 0/6 0/6 475 (6/6) 0/6
W312/H6N1 5/6 (3.7)b 1/6 (1.7)c 0/6 0/6 217 (6/6) 17 (3/6)
557/H6N2 0/6 0/6 0/6 1/6 (3.2)d 189 (6/6) 40 (2/6)
575/H6N8 1/6 (1.7)e 0/6 0/6 0/6 133 (6/6) 15 (2/6)
925/H6N2 0/6 0/6 0/6 0/6 384 (6/6) (0/6)
269/H6N8 0/3 0/3 0/3 0/3 133 (3/3) (0/3)
1977/H6N2 0/3 0/3 0/3 0/3 73 (3/3) (0/3)
a

T, trachea; C, cloaca.

b

Virus shedding for 5 days and peak virus titer at 1 dpi.

c

Titer of 1.7 log10 EID50/ml at 7 dpi.

d

Titer of 3.2 log10 EID50/ml at 5 dpi.

e

Titer of 1.7 log10 EID50/ml at 7 dpi.