标题:Update: Increase in Human Infections with Novel Asian Lineage Avian Influenza A(H7N9) Viruses During the Fifth Epidemic — China, October 1, 2016–August 7, 2017
关键词:Centers for Disease Control and Prevention; CDC; Morbidity and Mortality Weekly Report; MMWR; Bird Flu in China; Asian H7N9 in China; Avian Influenza A(H7N9).