title: 2012-2013 influenza season arrives early in Michigan and the US.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007251:Influenza, Human / Q000453:epidemiology*; D008824:Michigan / Q000453:epidemiology; D012621:Seasons; D014481:United States / Q000453:epidemiology