The incidence of trachoma in Natal and Zululand in all racial groups.
D000293:Adolescent; D000328:Adult; D000353:Africa, Southern; D001741:Black or African American; D000368:Aged; D044466:Asian People; D044383:Black People; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D014141:Trachoma / Q000453:epidemiology*