Human Infections with Novel Influenza A (H7N9)

As of April 29, 2013, Chinese public health officials have reported to the World Health Organization (WHO) a total of 126 human cases of laboratory-confirmed avian influenza A (H7N9) in China, including 24 deaths. Dates of illness onset range from February 19 to April 27, 2013. Very limited person-to-person transmission or epidemiologic link between a few of the cases has been identified.

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