title: Primary prevention of rheumatic fever in Jerusalem schoolchildren. I. Rationale and results of the pilot study.
mesh_terms: D000041:Absenteeism; D002353:Carrier State; D002648:Child; D006801:Humans; D012141:Respiratory Tract Infections / Q000453:epidemiology; D012213:Rheumatic Fever / Q000517:prevention & control*; D012621:Seasons; D012959:Socioeconomic Factors; D013290:Streptococcal Infections / Q000453:epidemiology; D013297:Streptococcus pyogenes