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As of 17 Apr 2013 (18:00CET), the National Health and Family Planning Commission notified WHO of an additional 19 laboratory-confirmed cases of human infection with avian influenza A(H7N9) virus. Of the latest laboratory confirmed cases, there are 9 from Zhejiang Province, 7 from Shanghai Municipality and 3 from Jiangsu Province. Additionally, 3 patients earlier reported have died.
To date, a total of 82 patients have been laboratory-confirmed with human infection with avian influenza A(H7N9) virus in China, including 17 deaths. More than 1000 close contacts of the confirmed cases are being closely monitored.
Advice for Travellers
Avian influenza virus (H7N9) infection is unusual in humans but appears to cause severe illness in those infected. Preventive measures are the same as those for highly pathogenic avian influenza virus (H5N1).
Advice for Healthcare Professionals
Healthcare professionals should be on the alert for travellers returning from China with fever plus respiratory syptoms or any other severe illness or travellers who develop such illness within 7 days of return from China.
WHO is producing a weekly report on the number of reported confirmed human cases for influenza A(H7N9), giving the geographical location and cumulative number of cases reported per month.
The European Centre for Disease Prevention and Control (ECDC) also publishes a daily Epidemiological Update on avian influenza A(H7N9) virus in China.
