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14 April 2013 Update - Human Infection with Avian Influenza A(H7N9) Virus in China


As of April 14, 2013 (17:00 Beijing Time), additional 11 cases of human infection with influenza A(H7N9) virus were laboratory confirmed (17:00 April 13-17:00 April 14 Beijing Time). Three cases are from Shanghai, two from Jiangsu, four from Zhejiang and the other two from Henan. There are two more deaths, and both are from Shanghai.


To date, a total of 60 cases have been laboratory confirmed with influenza A(H7N9) virus in mainland China, including 13 deaths. These cases are distributed over 29 prefectures/districts of 6 provinces, including Beijing (1 case, 0 death), Shanghai (24 cases, 9 deaths), Jiangsu (16 cases, 1 death), Zhejiang (15 cases, 2 deaths), Anhui (2 cases, 1 death) and Henan (2 cases, 0 death).


All close contacts are being closely monitored with medical observation, and no infection with A(H7N9) were found in the contacts. So far, all confirmed human infections with A(H7N9) are sporadic cases, and there is no evidence of ongoing human-to-human transmission.


Chinese Center for Disease Control and Prevention(China CDC)

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