title: Update: influenza activity--United States, October 1-December 9, 2006.
abstract: During October 1-December 9, 2006, influenza activity remained low in the United States overall but increased in southeastern states. This report summarizes U.S. influenza activity since October 1, the beginning of the 2006-07 influenza season, and updates the previous summary.
mesh_terms: D006801:Humans; D009980:Influenza A virus / Q000302:isolation & purification*; D009981:Influenza B virus / Q000302:isolation & purification*; D007251:Influenza, Human / Q000453:epidemiology* / Q000382:microbiology; D011159:Population Surveillance; D014481:United States / Q000453:epidemiology