title: Update: influenza activity -- United States and worldwide, May 18-September 20, 2014.
abstract: During May 18-September 20, 2014, the United States experienced low levels of seasonal influenza activity overall. Influenza A (H1N1)pdm09 (pH1N1), influenza A (H3N2), and influenza B viruses were detected worldwide and were identified sporadically in the United States. In August, two influenza A (H3N2) variant viruses (H3N2v) were detected in Ohio. This report summarizes influenza activity in the United States and worldwide during May 18-September 20, 2014.
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: 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: Xiyan
authors.initials: X
authors.lastname: Xu
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: D014943:Global Health / Q000706:statistics & numerical data*; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification; D053122:Influenza A Virus, H3N2 Subtype / Q000235:genetics / 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