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

[2013-04-11]



As of April 11, 2013 (17:00 Beijing
Time), additional five cases of human infection with influenza A(H7N9) virus
were laboratory confirmed (17:00 April 10-17:00 April 11 Beijing Time). Three
cases are from Shanghai, and the other two from Jiangsu. There is one more
death from Shanghai.

To date, a total of 38 cases have been
laboratory confirmed with influenza A(H7N9) virus in mainland China, including ten
deaths. These cases are distributed over 23 prefectures/districts of 4
provinces, including Shanghai (18 cases, 6 deaths), Jiangsu (12 cases, 1
death), Anhui (2 cases, 1 death) and Zhejiang (6 cases, 2 deaths).

At this time
no epidemiological link between the
human cases was identified. All close contacts are being closely monitored with
medical observation, and no abnormal symptoms of illness 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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