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Volume 28, Number 3—March 2022
Research

Overseas Treatment of Latent Tuberculosis Infection in US–Bound Immigrants

Amera KhanComments to Author , Christina R. Phares, Hoang Lan Phuong, Dang Thi Kieu Trinh, Ha Phan, Cindy Merrifield, Phan Thi Hong Le, Quach Thi Kim Lien, Sooc Ngoc Lan, Phan Thi Kim Thoa, Le Tran Minh Thu, Tiffany Tran, Cuc Tran, Lucy Platt, Susan A. Maloney, Nguyen Viet Nhung, Payam Nahid, and John E. Oeltmann
Author affiliations: Stop TB Partnership, Geneva, Switzerland (A. Khan); London School of Hygiene and Tropical Medicine, London, UK (A. Khan, L. Platt); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (C.R. Phares, C. Tran, S.A. Maloney, J.E. Oeltmann); Cho Ray Hospital Visa Medical Clinic, Ho Chi Minh City, Vietnam (H.L. Phuong, D.T.K. Trinh, P.T.H. Le, Q.T.K. Lien, S.N. Lan, P.T.K. Thoa, L.T.M. Thu); Vietnam National TB Program/University of California–San Francisco Research Collaboration, Hanoi, Vietnam (H. Phan, C. Merrifield, T. Tran, N.V. Nhung, P. Nahid); University of California–San Francisco, San Francisco, California, USA (H. Phan, C. Merrifield, P. Nahid); Vietnam National TB Program, Hanoi (N.V. Nhung)

Main Article

Figure 1

Overseas TB medical examination pathway and TB classifications for US immigrant visa applicants and modifications for the Preventing Tuberculosis Overseas Pilot Study, Vietnam, 2018–2019. TB classifications for overseas medical examination outcomes: No TB classification, no TB disease or infection; class A, TB disease (treatment completion required); class B0, completed treatment for TB disease by directly observed therapy supervised by panel physician; class B1, clinical signs, symptoms, or chest radiograph suggestive of TB or known HIV infection but negative sputum smears and culture; class B2, LTBI evaluation. CDC, Centers for Disease Control and Prevention; IGRA, interferon-γ release assay; LFTs, liver function tests; LTBI, latent tuberculosis infection; TB, tuberculosis.

Figure 1. Overseas TB medical examination pathway and TB classifications for US immigrant visa applicants and modifications for the Preventing Tuberculosis Overseas Pilot Study, Vietnam, 2018–2019. TB classifications for overseas medical examination outcomes: No TB classification, no TB disease or infection; class A, TB disease (treatment completion required); class B0, completed treatment for TB disease by directly observed therapy supervised by panel physician; class B1, clinical signs, symptoms, or chest radiograph suggestive of TB or known HIV infection but negative sputum smears and culture; class B2, LTBI evaluation. CDC, Centers for Disease Control and Prevention; IGRA, interferon-γ release assay; LFTs, liver function tests; LTBI, latent tuberculosis infection; TB, tuberculosis.

Main Article

Page created: December 13, 2021
Page updated: February 21, 2022
Page reviewed: February 21, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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