Human infection with influenza H9N2.

Peiris, M; Yuen, K Y; Leung, C W; Chan, K H; Ip, P L; Lai, R W; Orr, W K; Shortridge, K F · Lancet · 1999

case_report · Level V

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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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