MMWR Vol. 66 / Early Release

Increase in Human Infections with Avian Influenza A(H7N9) Virus During the Fifth Epidemic — China, October 2016–February 2017 | MMWR

Increase in Human Infections with Avian Influenza A(H7N9) Virus During the Fifth Epidemic — China, October 2016–February 2017 
A. Danielle Iuliano, PhD; Yunho Jang, PhD; Joyce Jones, MS; et al.


Human infections with avian influenza A(H7N9) virus were first reported in China in March 2013. Annual epidemics of human infection with influenza A(H7N9) virus in China have been reported since that time. During the ongoing fifth epidemic, 460 human infections with A(H7N9) have been reported, a significant increase over the first four epidemics. During the first four epidemics, 88% of patients developed pneumonia, 68% were admitted to an intensive care unit, and 41% died.

MMWR Early Release Vol. 66, Early Release March 03, 2017 PDF

Increase in Human Infections with Avian Influenza A(H7N9) Virus During the Fifth Epidemic — China, October 2016–February 2017

Early Release / March 3, 2017 / 66

A. Danielle Iuliano, PhD1; Yunho Jang, PhD1; Joyce Jones, MS1; C. Todd Davis, PhD1; David E. Wentworth, PhD1; Timothy M. Uyeki, MD1; Katherine Roguski, MPH1; Mark G. Thompson, PhD1; Larisa Gubareva, PhD1; Alicia M. Fry, MD1; Erin Burns, MA1; Susan Trock, DVM1; Suizan Zhou, MPH2; Jacqueline M. Katz, PhD1; Daniel B. Jernigan, MD1 (View author affiliations)

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