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The Mantoux test or Mendel–Mantoux test (also known as the Mantoux screening test, tuberculin sensitivity test, Pirquet test, or PPD test for purified protein derivative) is a tool for screening for tuberculosis (TB) and for tuberculosis diagnosis.
In a clinical study conducted the sensitivity of the MTB/RIF test on just 1 sputum sample was 92.2% for culture-positive TB; 98.2% for smear+ and culture-positive cases; and 72.5% for smear-negative, culture-positive cases, with a specificity of 99.2%. Sensitivity and higher specificity were slightly higher when 3 samples were tested. [10]
In 2010 the Xpert MTB/RIF test, another NAAT for TB, became commercially available and, as the CDC said in 2015, [10] it began "revolutionizing tuberculosis (TB) control by contributing to the rapid diagnosis of TB disease and drug resistance. The test simultaneously detects Mycobacterium tuberculosis complex (MTBC) and resistance to rifampin ...
Diagnosis of latent TB relies on the tuberculin skin test (TST) or blood tests. [10] Prevention of TB involves screening those at high risk, early detection and treatment of cases, and vaccination with the bacillus Calmette-Guérin (BCG) vaccine. [3] [4] [5] Those at high risk include household, workplace, and social contacts of people with ...
[10]: 106 He seemed unconcerned by the evidence that humans had a more dramatic reaction to tuberculin versus his laboratory animals, exhibiting fever, pains in their joints, and nausea. [10]: 101 In addition to other test subjects, he tested tuberculin on Hedwig Freiberg (his mistress and later wife), who was 16 years old at the time. She ...
The corrigenda also removed the prior estimate of the lifetime risk of TB of 5 to 10% among those with evidence of past TB infection, indicating that they no longer have confidence in earlier estimates that a substantial percentage of those with positive immunologic test results will develop the disease.