Rolfes Melissa, Blanton Lenee, Brammer Lynnette, Smith Sophie, Mustaquim Desiree, Steffens Craig, Cohen Jessica, Leon Michelle, Chaves Sandra S, Abd Elal Anwar Isa, Gubareva Larisa, Hall Henrietta, Wallis Teresa, Villanueva Julie, Bresee Joseph, Cox Nancy, Finelli Lyn
MMWR Morb Mortal Wkly Rep. 2014 Dec 19;63(50):1189-94.
CDC collects, compiles, and analyzes data on influenza activity year-round in the United States (http://www.cdc.gov/flu/weekly/fluactivitysurv.htm). The influenza season generally begins in the fall and continues through the winter and spring months; however, the timing and severity of circulating influenza viruses can vary by geographic location and season. Influenza activity in the United States increased starting mid-October through December. This report summarizes U.S. influenza activity during September 28-December 6, 2014.