Intestinal parasites in refugee claimants: a case study for selective screening?

Area of Science:

• Medical Parasitology
• Public Health
• Immigration Health

Background:

• Imported intestinal parasite infections pose a significant health concern in immigrant populations.
• Previous screening policies for these infections in refugee claimants require re-evaluation.

Purpose of the Study:

• To assess the prevalence of intestinal parasite infections among refugee claimants in Montreal.
• To identify risk factors associated with these infections.
• To evaluate the effectiveness of current screening protocols.

Main Methods:

• Retrospective review of medical profiles of 1,967 refugee claimants.
• Data collection from January 1987 to July 1987.
• Analysis of infection rates, parasite types, and associated demographic and clinical factors.

Main Results:

• An overall pathogenic intestinal parasite infection rate of 29.3% was observed.
• Helminths were more prevalent than protozoa (Entamoeba histolytica, Giardia lamblia).
• Country of origin emerged as the strongest predictor of infection, followed by age, sex, schooling, and eosinophilia.

Conclusions:

• The study highlights the substantial burden of intestinal parasite infections in this refugee claimant group.
• Current immigration policies lacking mandatory screening may miss significant health issues.
• Recommendations include modifying policies to inform high-risk arrivals about the benefits of parasite screening.