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Case Reports
. 1999 Sep 11;354(9182):916-7.
doi: 10.1016/s0140-6736(99)03311-5.

Human infection with influenza H9N2

M Peiris, K Y Yuen, C W Leung, K H Chan, P L Ip, R W Lai, W K Orr, K F Shortridge
Case Reports

Human infection with influenza H9N2

M Peiris et al. Lancet. .

Abstract

We report the clinical features of two cases of human infection with influenza A virus subtype H9N2 in Hong Kong, and show that serum samples from blood donors in Hong Kong had neutralising antibody suggestive of prior infection with influenza H9N2.

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