title: Update: influenza activity - United States, September 28- December 6, 2014.
abstract: 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.
authors.forename: Melissa
authors.initials: M
authors.lastname: Rolfes
authors.forename: Lenee
authors.initials: L
authors.lastname: Blanton
authors.forename: Lynnette
authors.initials: L
authors.lastname: Brammer
authors.forename: Sophie
authors.initials: S
authors.lastname: Smith
authors.forename: Desiree
authors.initials: D
authors.lastname: Mustaquim
authors.forename: Craig
authors.initials: C
authors.lastname: Steffens
authors.forename: Jessica
authors.initials: J
authors.lastname: Cohen
authors.forename: Michelle
authors.initials: M
authors.lastname: Leon
authors.forename: Sandra S
authors.initials: SS
authors.lastname: Chaves
authors.forename: Anwar Isa
authors.initials: AI
authors.lastname: Abd Elal
authors.forename: Larisa
authors.initials: L
authors.lastname: Gubareva
authors.forename: Henrietta
authors.initials: H
authors.lastname: Hall
authors.forename: Teresa
authors.initials: T
authors.lastname: Wallis
authors.forename: Julie
authors.initials: J
authors.lastname: Villanueva
authors.forename: Joseph
authors.initials: J
authors.lastname: Bresee
authors.forename: Nancy
authors.initials: N
authors.lastname: Cox
authors.forename: Lyn
authors.initials: L
authors.lastname: Finelli
mesh_terms: D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification*; D053122:Influenza A Virus, H3N2 Subtype / Q000302:isolation & purification*; D009981:Influenza B virus / Q000302:isolation & purification*; D007251:Influenza, Human / Q000453:epidemiology*; D011159:Population Surveillance; D012621:Seasons; D014481:United States / Q000453:epidemiology