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Asian immigrant tuberculosis--the effect of visiting Asia
British Journal of Diseases of the Chest
|July 1, 1984
Summary
Tuberculosis (TB) in Asian immigrants in the UK often stems from recent travel to Asia or contact with existing cases. About one-fifth of cases were linked to recent travel, while others were acquired before arrival or through UK contacts.
Area of Science:
- Public Health
- Infectious Diseases
- Epidemiology
Background:
- Tuberculosis (TB) remains a significant global health concern, particularly in immigrant populations.
- Understanding TB transmission dynamics is crucial for effective public health interventions.
Purpose of the Study:
- To investigate the sources of tuberculosis infection among Asian immigrants in the UK.
- To analyze the time intervals between arrival/rearrival in the UK and TB diagnosis.
Main Methods:
- Study of four groups of Asian immigrants in West Ham over a 5-year period.
- Categorization based on contact with known UK tuberculosis cases and recent travel history to Asia.
Main Results:
- Approximately one-fifth of TB cases in Asian immigrants were linked to recent visits to Asia.
- About one-third of infections were acquired before arrival in the UK.
- Nearly half of the cases were attributed to contact with known or unknown sources within the UK.
Conclusions:
- Tuberculosis in Asian immigrants in the UK has diverse origins, including pre-arrival infection, recent travel, and domestic transmission.
- Public health strategies should consider these varied transmission routes for targeted prevention and control efforts.
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