Letter to the editor: Human infections with avian influenza A(H7N9): preliminary assessments of the age and sex distribution.
Hainan Medical University, People's Republic of China (e-mail: wviroj@yahoo.com ).
Viroj
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Wiwanitkita
D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D064766:Influenza A Virus, H7N9 Subtype / Q000302:isolation & purification*; D007251:Influenza, Human / Q000175:diagnosis* / Q000453:epidemiology*; D008297:Male; D008403:Mass Screening / Q000706:statistics & numerical data*