A Train Passenger with Pulmonary Tuberculosis: Evidence of Limited Transmission During Travel

In January 1996, smear- and culture-positive tuberculosis (TB) was diagnosed for a 22-year-old black man after he had traveled on two U.S. passenger trains (29.1 hours) and a bus (5.5 hours) over 2 days. To determine if transmission had occurred, passengers and crew were notified of the potential ex...

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Bibliographic Details
Published in:Clinical infectious diseases 1999-01, Vol.28 (1), p.52-56
Main Authors: Moore, Marisa, Valway, Sarah E., Ihle, Walter, Onorato, Ida M.
Format: Article
Language:English
Subjects:
Adult
Aged
Bus travel
Buses
Clinical Articles
Commuting
Epidemiology
Humans
Lung - diagnostic imaging
Male
Middle Aged
Mycobacterium tuberculosis
Mycobacterium tuberculosis - isolation & purification
Passengers
Pulmonary tuberculosis
Radiography
Railroad travel
Railroads
Risk Factors
Skin tests
Travel
Tuberculin Test
Tuberculosis
Tuberculosis, Pulmonary - diagnosis
Tuberculosis, Pulmonary - transmission
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Description
Summary:In January 1996, smear- and culture-positive tuberculosis (TB) was diagnosed for a 22-year-old black man after he had traveled on two U.S. passenger trains (29.1 hours) and a bus (5.5 hours) over 2 days. To determine if transmission had occurred, passengers and crew were notified of the potential exposure and instructed to undergo a tuberculin skin test (TST). Of the 240 persons who completed screening, 4 (2%) had a documented TST conversion (increase in induration of ⩾10 mm between successive TSTs), 11 (5%) had a single positive TST (⩾10 mm), and 225 (94%) had a negative TST (
ISSN:1058-4838
1537-6591
DOI:10.1086/515089