title: Two family outbreaks of perianal cellulitis associated with group A beta-hemolytic streptococci.
mesh_terms: D000293:Adolescent; D000328:Adult; D001004:Anus Diseases / Q000209:etiology / Q000235:genetics*; D002353:Carrier State; D002481:Cellulitis / Q000209:etiology / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007169:Impetigo / Q000235:genetics; D007223:Infant; D008297:Male; D010401:Penicillin G Benzathine / Q000008:administration & dosage; D010402:Penicillin G Procaine / Q000008:administration & dosage; D010404:Penicillin V / Q000008:administration & dosage; D010612:Pharyngitis / Q000150:complications; D013290:Streptococcal Infections / Q000150:complications* / Q000188:drug therapy; D013291:Streptococcus / Q000302:isolation & purification
chemical_list: D010402:Penicillin G Procaine; D010401:Penicillin G Benzathine; D010404:Penicillin V