Diagnosis of Latent Tuberculosis(TB) Infection in Health Care Workers Using TST and Whole Blood Interferon-γ Assay

Yonsei University

Status: Completed

Conditions: Tuberculosis

Study type: Observational

Funder types: Other

Identifiers

NCT00962793

4-2009-0187

Details and patient eligibility

About

The investigators think that the health care workers who contact frequently with active tuberculosis patients have more increased prevalence of LTBI compared with those who don't.

Sex: All

Ages: 20+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• health care workers

Exclusion criteria

• active pulmonary tuberculosis
• previous Tuberculosis history
• below 20 years old
• history of hypersensitivity about PPD
• pregnant