title: Possible prevention of an outbreak of group A streptococcal infection by a prospective epidemiologic approach.
mesh_terms: D000368:Aged; D003428:Cross Infection / Q000517:prevention & control; D004196:Disease Outbreaks / Q000517:prevention & control*; D005260:Female; D006801:Humans; D010564:Personnel, Hospital; D011159:Population Surveillance; D013290:Streptococcal Infections / Q000382:microbiology / Q000517:prevention & control*; D013297:Streptococcus pyogenes / Q000302:isolation & purification