Surveillance and outbreak alert

Human infection with a new type of influenza virus A(H7N9)

WHO/SEARO

The World Health Organization (WHO) has been officially notified by the China National Health and Family Planning Commission about human infection (and deaths) with an influenza virus subtype A(H7N9) that has not been previously reported in humans. There is no indication of human-to-human transmission associated with these patients. WHO is working closely with it's Collaborating Centres for influenza to discuss and strengthen diagnostics and case management. At present, the reservoir, source of infection and mode of transmission remain unknown.

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