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Volume 28, Number 10—October 2022
Research

Novel Zoonotic Avian Influenza A(H3N8) Virus in Chicken, Hong Kong, China

Thomas H.C. Sit, Wanying Sun, Anne C.N. Tse, Christopher J. Brackman, Samuel M.S. Cheng, Amy W. Yan Tang, Jonathan T.L Cheung, Malik Peiris1Comments to Author , and Leo L.M. Poon1
Author affiliations: Government of the Hong Kong Special Administrative Region, Hong Kong, China (T.H.C. Sit, A.C.N. Tse, C.J. Brackman); The University of Hong Kong, Hong Kong (W. Sun, S.M.S. Cheng, A.W. Yan Tang, J.T.L. Cheung, M. Peiris, L.L.M. Poon)

Main Article

Table 7

Estimates of effect of observed seroprevalence on human population immunity and reproductive numbers needed to cause a pandemic for novel zoonotic avian influenza virus A(H3N8) virus in chicken, Hong Kong, China*

Virus used Estimate (95% CI)
Proportion of population immune Relative reduction in reproduction number Smallest reproductive number needed to cause a pandemic
A/Switzerland/8060/2017(H3N2) 0.393 (0.337–0.446) 0.375 (0.317–0.43) 1.601 (1.464–1.755)
A/chicken/Hong Kong/MKT0AB13cp.2022 (H3N8) 0.029 (0.012–0.058) 0.032 (0.013–0.061) 1.033 (1.013–1.066)

*See Nguyen et al. (17) for the methods used.

Main Article

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Main Article

1These authors contributed equally to this article.

Page created: August 11, 2022
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