Two new interferon-gamma blood test assays to detect latent tuberculosis infection (LTBI) showed customers were exposed to a supermarket employee in Holland who had smear-positive tuberculosis, while traditional tuberculin skin tests (TST) did not, according to a large contact study.Results from these tests were published in the second issue for March 2007 of the American Journal of Respiratory and Critical Care Medicine, published by the American Thoracic Society. [click link for full article]
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