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

As of April 23, 2013 (16:00 Beijing Time), additional four cases of human infection with influenza A(H7N9) virus were laboratory confirmed (16:00 April 22-16:00 April 23 Beijing Time). Two cases are from Zhejiang, one from Anhui, and the other one from Shandong.

To date, a total of 108 cases have been laboratory confirmed with influenza A(H7N9) virus in mainland China, including 14 recovered and discharged, 72 in hospitalization and 22 deaths. These cases are distributed over 7 provinces/municipalities, including Beijing (1 case, 0 death), Shanghai (33 cases, 12 deaths), Jiangsu (24 cases, 3 death), Zhejiang (42 cases, 6 deaths), Anhui (4 cases, 1 death), Shandong (1 case, 0 death) and Henan (3 cases, 0 death). 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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