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A 35-year-old male asked:

Can cbc+esr test detect early tb infection?say one has been infected since 45 days.

1 doctor answer2 doctors weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
No: Neither CBC nor esr, nor the two together can detect TB infection. A blood test called interferon gamma release assay may help in diagnosis. Usual diagnosis is by culture of the sputum or infected tissue.

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Last updated Nov 7, 2017

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