Volume 18, Number 12—December 2012
Research
Virulent Avian Infectious Bronchitis Virus, People’s Republic of China
Figure 2
![Amino acid sequence alignment for the S1 gene (A, B) and S2 gene (C) of 14 strains of avian infectious bronchitis virus. Strains YN, SC021202, A2, and SAIBK have a 6-aa insertion in the S1 gene and a 9-aa deletion in the S2 gene, compared with most strains,](/eid/images/12-0552-F2.jpg)
Figure 2. . Amino acid sequence alignment for the S1 gene (A, B) and S2 gene (C) of 14 strains of avian infectious bronchitis virus. Strains YN, SC021202, A2, and SAIBK have a 7-aa insertion in the S1 gene and a 9-aa deletion in the S2 gene, compared with most strains.
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