From: Comparative features of infections of two Massachusetts (Mass) infectious bronchitis virus (IBV) variants isolated from Western Canadian layer flocks
Strain
ORF1a
ORF 1b
S1
S2
ORF3a
ORF3b
E
M
ORF5a
ORF5b
N
15AB-01
90.7
96.8
95.5
97.6
91.2
96.9
94.5
100
86.4
89.2
94.1
15SK-02
90.6
97.9
a15AB-01 Vs 15SK-02
99.9
99.6
99.8
99.5