[Trachoma, its epidemiology and prophylaxis].
D035843:Biomedical Research; D001699:Biometry; D006801:Humans; D014141:Trachoma / Q000453:epidemiology* / Q000517:prevention & control* / Q000706:statistics & numerical data*
TRACHOMA/epidemiology; TRACHOMA/prevention and control; TRACHOMA/statistics
Tracoma, sua epidemiologia e profilaxia.