DEAR MAYO CLINIC: My daughter’s doctor said her PPD was positive and sent her for a chest X-ray to rule out TB. Is it possible to have a false-positive result? Her pediatrician says she should follow ...
A tuberculosis (TB) skin test is the first method a doctor may use to try to determine if a person has TB. A TB skin test involves injecting a person with a small amount of tuberculin to see how the ...
WHO recommendations call for at least six months of isoniazid therapy for TB prevention in adults who are HIV-positive and have either a positive or unknown tuberculin skin test (purified protein ...
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