[TUBERCULOSIS PREVENTION].
D001500:BCG Vaccine; D002677:Chile; D003140:Communicable Disease Control; D006801:Humans; D007538:Isoniazid; D008400:Mass Chest X-Ray; D009163:Mycobacterium bovis; D014376:Tuberculosis; D014611:Vaccination
D001500:BCG Vaccine; D007538:Isoniazid
BCG VACCINATION; CHILE; COMMUNICABLE DISEASE CONTROL; ISONIAZID; MASS CHEST X-RAY; TUBERCULOSIS
PREVENCI'ON ANTI-TUBERCULOSA.