title: Nursing home outbreaks of invasive group A streptococcal infections--Illinois, Kansas, North Carolina, and Texas.
mesh_terms: D016022:Case-Control Studies; D003428:Cross Infection / Q000453:epidemiology*; D004196:Disease Outbreaks; D006801:Humans; D007087:Illinois / Q000453:epidemiology; D007615:Kansas / Q000453:epidemiology; D009657:North Carolina / Q000453:epidemiology; D009735:Nursing Homes; D011014:Pneumonia / Q000453:epidemiology; D012874:Skin Diseases, Infectious / Q000453:epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology*; D013297:Streptococcus pyogenes; D013781:Texas / Q000453:epidemiology