title: Outbreak of perianal Streptococcus pyogenes infection in a day-care center.
authors.affiliation: Childrens Hospital, University of Helsinki, Finland.
authors.forename: H
authors.initials: H
authors.lastname: Saxén
authors.forename: A
authors.initials: A
authors.lastname: Muotiala
authors.forename: T
authors.initials: T
authors.lastname: Rostila
authors.forename: J
authors.initials: J
authors.lastname: Vuopio-Varkila
mesh_terms: D001004:Anus Diseases / Q000453:epidemiology / Q000382:microbiology*; D002656:Child Day Care Centers; D002675:Child, Preschool; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D008297:Male; D017720:Molecular Epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology*; D013297:Streptococcus pyogenes / Q000235:genetics / Q000302:isolation & purification*