Emergence of Avian Influenza A(H7N9) Virus Causing Severe Human Illness-China, February-April 2013.

摘要

On May 7,2013, this report was posted as an MMWR Early Release on the MMWR website (http://www.cdc.gov/ mmwr).On March 29, 2013, the Chinese Center for Disease Control and Prevention completed laboratory confirmation of three human infections with an avian influenza A(H7N9) virus not previously reported in humans (1). These infections were reported to the World Health Organization (WHO) on March 31, 2013, in accordance with International Health Regulations. The cases involved two adults in Shanghai and one in Anhui Province. All three patients had severe pneumonia, developed acute respiratory distress syndrome (ARDS), and died from their illness (2).