Prevalence of Latent Tuberculosis Infection in Health-care Workers and Students
Cross-sectional Study on Prevalence of Latent Tuberculosis Infection in Health-care Workers and Students. A GENERATOR Infrastructure.
About This Trial
This study is a cross-sectional study that examines the prevalence of Latent Tuberculosis Infection \[LTBI\], defined as individuals infected with Mycobacterium tuberculosis with no clinical evidence of disease, and the possible risk factors of LTBI in a large cohort of health care workers (HCWs) and students.
Who May Be Eligible (Plain English)
Original Eligibility Criteria
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Treatments Being Tested
Prevalence of Latent Tuberculosis Infection
The prevalence of Latent Tuberculosis Infection \[LTBI\] is defined as 1) tuberculin conversion after a documented negative-baseline tuberculin skin test (TST), 2) positive result of the QuantiFERON-TB Gold (QFT) test performed \[higher response than the cut-off value of 0.35 IU / ml of INF-γ was detected in at least one test tube (TB1 or TB2)\], 3) chest imaging excluding pleural and/or pulmonary lesions suggestive of active tuberculosis and 4) final medical evaluation done by a Specialist in Infectious Diseases which excluded active disease. All four criteria must be met.