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  2. Risk factors for tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Risk_factors_for_tuberculosis

    The risk of developing TB is estimated to be between 20 and 37 times greater in people living with HIV than among those without HIV infection. TB is a leading cause of morbidity and mortality among people living with HIV. [13] In 2009, there were 9.4 million new cases of TB, of which 1.2 (13%) million were among people living with HIV.

  3. Tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis

    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 active TB. [4] Treatment requires the use of multiple antibiotics over a long period of ...

  4. Diagnosis of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_tuberculosis

    Children less than 4 years of age, or children and adolescents exposed to adults in high-risk categories; 15 mm or more is positive in Persons with no known risk factors for TB (Note: Targeted skin testing programs should only be conducted among high-risk groups)

  5. Tuberculosis classification - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis_classification

    The U.S. Citizenship and Immigration Services has an additional TB classification for immigrants and refugees developed by the Centers for Disease Control and Prevention (CDC). [3] The B notification program is an important screening strategy to identify new arrivals who have a high risk for TB. [4]

  6. Mantoux test - Wikipedia

    en.wikipedia.org/wiki/Mantoux_test

    Mantoux test injection site in a subject without chronic conditions or in a high-risk group clinically diagnosed as negative at 50 hours. Tuberculin is a glycerol extract of the tubercle bacillus. Purified protein derivative (PPD) tuberculin is a precipitate of species-nonspecific molecules obtained from filtrates of sterilized, concentrated ...

  7. Latent tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Latent_tuberculosis

    According to the U.S. guidelines, there are multiple size thresholds for declaring a positive result of latent tuberculosis from the Mantoux test: For testees from high-risk groups, such as those who are HIV positive, the cutoff is 5 mm of induration; for medium risk groups, 10 mm; for low-risk groups, 15 mm.

  8. Multidrug-resistant tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Multidrug-resistant...

    Rapid diagnosis & treatment of TB: One of the greatest risk factors for drug-resistant TB is problems in treatment and diagnosis, especially in developing countries. If TB is identified and treated soon, drug resistance can be avoided. Completion of treatment: Previous treatment of TB is an indicator of MDR TB.

  9. Extensively drug-resistant tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Extensively_drug-resistant...

    The risk of spread increases where there is a high concentration of TB bacteria, such as can occur in closed environments like overcrowded houses, hospitals or prisons. The risk will be further increased if ventilation is poor, but reduced when mechanical filters are used. The risk of spread will be reduced and eventually eliminated if ...

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