更新：美国流感疫情——2017年10月1日至2018年2月3日

Budd Alicia P, Wentworth David E, Blanton Lenee, Elal Anwar Isa Abd, Alabi Noreen, Barnes John, Brammer Lynnette, Burns Erin, Cummings Charisse N, Davis Todd, Flannery Brendan, Fry Alicia M, Garg Shikha, Garten Rebecca, Gubareva Larisa, Jang Yunho, Kniss Krista, Kramer Natalie, Lindstrom Stephen, Mustaquim Desiree, O'Halloran Alissa, Olsen Sonja J, Sessions Wendy, Taylor Calli, Xu Xiyan, Dugan Vivien G, Katz Jacqueline, Jernigan Daniel

Influenza Division, National Center for Immunization and Respiratory Diseases, CDC.

MMWR Morb Mortal Wkly Rep. 2018 Feb 16;67(6):169-179. doi: 10.15585/mmwr.mm6706a1.

Influenza activity in the United States began to increase in early November 2017 and rose sharply from December through February 3, 2018; elevated influenza activity is expected to continue for several more weeks. Influenza A viruses have been most commonly identified, with influenza A(H3N2) viruses predominating, but influenza A(H1N1)pdm09 and influenza B viruses were also reported. This report summarizes U.S. influenza activity* during October 1, 2017-February 3, 2018, and updates the previous summary (1).

美国的流感活动于2017年11月初开始增加，并在2017年12月至2018年2月3日期间急剧上升；预计流感活动增强还将持续数周。最常检测到的是甲型流感病毒，其中甲型（H3N2）流感病毒占主导，但也报告了甲型（H1N1）pdm09流感病毒和乙型流感病毒。本报告总结了2017年10月1日至2018年2月3日期间美国的流感活动情况，并更新了此前的总结报告(1)。