title: A three-year prospective study of streptococcal infections in a population of rural Egyptian school children.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis; D002353:Carrier State / Q000453:epidemiology; D002648:Child; D004534:Egypt; D006801:Humans; D010612:Pharyngitis / Q000453:epidemiology; D010614:Pharynx / Q000382:microbiology; D011446:Prospective Studies; D012424:Rural Population; D012621:Seasons; D012703:Serotyping; D013290:Streptococcal Infections / Q000453:epidemiology*; D013291:Streptococcus / Q000302:isolation & purification; D013301:Streptolysins
chemical_list: D000907:Antibodies, Bacterial; D013301:Streptolysins