title: Four streptococcal infections traced to anal carrier.
mesh_terms: D001003:Anal Canal / Q000382:microbiology*; D002353:Carrier State / Q000635:transmission*; D006801:Humans; D008297:Male; D013290:Streptococcal Infections / Q000635:transmission*; D013297:Streptococcus pyogenes / Q000166:cytology; D013530:Surgical Wound Infection / Q000209:etiology*