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Published on: August 11, 2008
Pediatric tuberculosis immigration screening in high-immigration, low-incidence countries
G G Alvarez1, M Clark, E Altpeter
1Division of Respirology, The Ottawa Hospital Research Institute, University of Ottawa at The Ottawa Hospital, Ottawa, Ontario, Canada. galvarez@ohri.ca
Insights
Tuberculosis (TB) screening for migrant children is challenging in low-incidence countries. Current immigration medical examination requirements for children vary significantly between nations, indicating a need for further research.
Area of Science:
- Public Health
- Pediatrics
- Infectious Diseases
Background:
- Migrant children from high TB incidence countries are at risk for latent TB infection (LTBI) and active TB disease.
- Young children with LTBI face a higher risk of progression to severe TB compared to adults.
- Existing immigration TB screening programs often overlook the specific needs of children.
Purpose of the Study:
- To compare the TB immigration medical examination requirements for children in selected high-immigration, low-TB incidence countries.
- To identify variations in screening protocols for pediatric migrant populations.
Main Methods:
- A descriptive study was conducted.
- Systematic selection of countries with high immigration and low TB incidence rates.
- Data collection through written surveys and telephone interviews.
Main Results:
- 16 out of 18 eligible countries responded to the survey and interviews.
- Significant diversity was observed in TB screening approaches for migrant children across the surveyed countries.
Conclusions:
- There is no standardized approach to TB screening for migrant children globally.
- Further research is needed to establish optimal, evidence-based methods for screening migrant children for TB.
Background:
Tuberculosis (TB) screening in migrant children, including immigrants, refugees and asylum seekers, is an ongoing challenge in low TB incidence countries. Many children from high TB incidence countries harbor latent TB infection (LTBI), and some have active TB disease at the point of immigration into host nations. Young children who harbor LTBI have a high risk of progression to TB disease and are at a higher risk than adults of developing disseminated severe forms of TB with significant morbidity and mortality. Many countries have developed immigration TB screening programs to suit the needs of adults, but have not focused much attention on migrant children.
Objective:
To compare the TB immigration medical examination requirements in children in selected countries with high immigration and low TB incidence rates.
Design:
Descriptive study of TB immigration screening programs for systematically selected countries.
Results:
Of 18 eligible countries, 16 responded to the written survey and telephone interview.
Conclusion:
No two countries had the same approach to TB screening among migrant children. The optimal evidenced-based manner in which to screen migrant children requires further research.
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