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. 2011 Feb 10;8:64. doi: 10.1186/1743-422X-8-64

Table 4.

Pathogenicity of each virus for chicken via intranasal route

Inoculated viruses Seroconversion at 14 d.p.i.a Clinical signs Mortality (dead days)
rgY55 (H9N2) 3/3b 0/3 0/3
rgY55sub (H9N2) 3/3 0/3 0/3
rgY55sub-P10 (H9N2) 3/3 0/3 0/3
rgVac1 (H5N1) 0/3 0/3 0/3
rgVac1sub (H5N1) 1/3 0/3 0/3
rgVac1sub-P2 (H5N1) 0/1 2/3 2/3 (4, 11)
rgVac1sub-P3 (H5N1) 1/1 3/3 2/3 (7, 8)
rgVac1ins (H5N1) 1/3 0/3 0/3
rgVac1ins-P2 (H5N1) 1/1 2/3 2/3 (8, 11)
rgVac1ins-P3 (H5N1) 0/1 2/3 2/3 (4, 6)

a Examined for the survived chickens by HI test and ELISA.

b The number of positive animals/total

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