title: A nosocomial outbreak of Streptococcus pneumoniae infection.
mesh_terms: D000368:Aged; D003428:Cross Infection / Q000453:epidemiology*; D003430:Cross-Sectional Studies; D004196:Disease Outbreaks; D004739:England / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D010403:Penicillin Resistance; D011008:Pneumococcal Infections / Q000453:epidemiology*; D011018:Pneumonia, Pneumococcal / Q000453:epidemiology*; D018805:Sepsis / Q000453:epidemiology*; D014852:Wales / Q000453:epidemiology