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The PB2 and M genes are critical for the superiority of genotype S H9N2 virus to genotype H in optimizing viral fitness of H5Nx and H7N9 avian influenza viruses in mice.
Hao X, Hu J, Wang X, Gu M, Wang J, Liu D, Gao Z, Chen Y, Gao R, Li X, Hu Z, Hu S, Liu X, Peng D, Jiao X, Liu X. Hao X, et al. Among authors: wang x, wang j. Transbound Emerg Dis. 2020 Mar;67(2):758-768. doi: 10.1111/tbed.13395. Epub 2019 Nov 8. Transbound Emerg Dis. 2020. PMID: 31631569
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