What does a positive tuberculosis test look like?
A positive TB skin test typically looks like a raised, hard bump or swelling at the injection site. The size of the reaction is measured in millimetres of induration, not redness. For TB blood tests, a positive result is determined by the laboratory that analyzes the blood sample.
For more information, please visit the Centers for Disease Control and Prevention.
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COVID-19
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HIV
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Flu A/B
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Hepatitis C
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Tuberculosis
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C. Difficile
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COVID-19 │ HIV │ Flu A/B │ Hepatitis C │ Tuberculosis │ C. Difficile |