INH prophylaxis.
D000293:Adolescent; D000328:Adult; D001219:Aspartate Aminotransferases / Q000097:blood; D002648:Child; D006801:Humans; D007538:Isoniazid / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*; D013997:Time Factors; D014376:Tuberculosis / Q000517:prevention & control*
D001219:Aspartate Aminotransferases; D007538:Isoniazid