title: Invasive streptococci.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D012606:Scotland / Q000453:epidemiology; D018805:Sepsis / Q000453:epidemiology / Q000209:etiology*; D013290:Streptococcal Infections / Q000150:complications* / Q000453:epidemiology; D013297:Streptococcus pyogenes / Q000302:isolation & purification