Skin-Test Screening and Tuberculosis Transmission among the Homeless

We describe the implementation of a mandatory tuberculosis (TB) screening program that uses symptom screening and tuberculin skin testing in homeless shelters. We used the results of DNA fingerprinting of Mycobacterium tuberculosis isolates to evaluate the effect of the program on TB incidence and t...

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Main Authors: Po-Marn Kong, Jan Tapy, Patricia Calixto, William J. Burman, Randall R. Reves, Zhenhua Yang, M. Donald Cave
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2002-11-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/8/11/02-0306_article
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author Po-Marn Kong
Jan Tapy
Patricia Calixto
William J. Burman
Randall R. Reves
Zhenhua Yang
M. Donald Cave
author_facet Po-Marn Kong
Jan Tapy
Patricia Calixto
William J. Burman
Randall R. Reves
Zhenhua Yang
M. Donald Cave
author_sort Po-Marn Kong
collection DOAJ
description We describe the implementation of a mandatory tuberculosis (TB) screening program that uses symptom screening and tuberculin skin testing in homeless shelters. We used the results of DNA fingerprinting of Mycobacterium tuberculosis isolates to evaluate the effect of the program on TB incidence and transmission. After the program was implemented, the proportion of cases among homeless persons detected by screening activities increased, and the estimated TB incidence decreased from 510 to 121 cases per 100,000 population per year. Recent transmission, defined by DNA fingerprinting analysis as clustered patterns occurring within 2 years, decreased from 49% to 14% (p=0.03). Our results suggest that the shelter-based screening program decreased the incidence of TB by decreasing its transmission among the homeless.
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spelling doaj.art-b7d3fd04f8344923b2d3183c95a700e92022-12-22T01:07:11ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592002-11-018111280128410.3201/eid0811.020306Skin-Test Screening and Tuberculosis Transmission among the HomelessPo-Marn KongJan TapyPatricia CalixtoWilliam J. BurmanRandall R. RevesZhenhua YangM. Donald CaveWe describe the implementation of a mandatory tuberculosis (TB) screening program that uses symptom screening and tuberculin skin testing in homeless shelters. We used the results of DNA fingerprinting of Mycobacterium tuberculosis isolates to evaluate the effect of the program on TB incidence and transmission. After the program was implemented, the proportion of cases among homeless persons detected by screening activities increased, and the estimated TB incidence decreased from 510 to 121 cases per 100,000 population per year. Recent transmission, defined by DNA fingerprinting analysis as clustered patterns occurring within 2 years, decreased from 49% to 14% (p=0.03). Our results suggest that the shelter-based screening program decreased the incidence of TB by decreasing its transmission among the homeless.https://wwwnc.cdc.gov/eid/article/8/11/02-0306_articlehomelessnesstuberculosistuberculin skin testingDNA fingerprintingUnited States
spellingShingle Po-Marn Kong
Jan Tapy
Patricia Calixto
William J. Burman
Randall R. Reves
Zhenhua Yang
M. Donald Cave
Skin-Test Screening and Tuberculosis Transmission among the Homeless
Emerging Infectious Diseases
homelessness
tuberculosis
tuberculin skin testing
DNA fingerprinting
United States
title Skin-Test Screening and Tuberculosis Transmission among the Homeless
title_full Skin-Test Screening and Tuberculosis Transmission among the Homeless
title_fullStr Skin-Test Screening and Tuberculosis Transmission among the Homeless
title_full_unstemmed Skin-Test Screening and Tuberculosis Transmission among the Homeless
title_short Skin-Test Screening and Tuberculosis Transmission among the Homeless
title_sort skin test screening and tuberculosis transmission among the homeless
topic homelessness
tuberculosis
tuberculin skin testing
DNA fingerprinting
United States
url https://wwwnc.cdc.gov/eid/article/8/11/02-0306_article
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