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Related Experiment Videos

Malaria in migrants.

F Castelli1, A Matteelli, S Caligaris

  • 1Clinic of Infectious and Tropical Diseases, University of Brescia, Italy.

Parassitologia
|March 4, 2000
PubMed
Summary

Imported malaria cases in Italy are rising among immigrants. Migrants experience milder symptoms but have low chemoprophylaxis use due to unawareness and inadequate advice, highlighting a public health concern.

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Area of Science:

  • Tropical Medicine
  • Infectious Diseases
  • Epidemiology

Background:

  • Imported malaria cases in industrialized nations are increasingly linked to immigrants returning from endemic regions.
  • Limited research has focused on the specific clinical outcomes and preventive behaviors of this population.

Purpose of the Study:

  • To compare the clinical presentation and outcomes of malaria in migrant populations versus non-immune individuals.
  • To assess malaria knowledge, attitudes, and practices (KAP) among migrants traveling to endemic countries.

Main Methods:

  • Prospective evaluation of malaria cases (1990-1998) at a reference clinic in Brescia, Italy.
  • Comparison of clinical parameters (parasitemia, fever clearance, severe malaria) between migrant and non-immune groups.
  • Population-based KAP survey among 504 migrants regarding malaria risk, prevention, and travel advice.

Main Results:

  • Migrants exhibited milder clinical presentations of malaria, with a significantly lower odds ratio for severe malaria (0.27) and shorter fever clearance times (3.0 days vs. 4.3 days).
  • A significantly lower proportion of immigrants used chemoprophylaxis (11.0%) compared to non-immunes (55.4%).
  • Among migrants, only 17.6% sought pre-travel advice, 14.1% started chemoprophylaxis, and 4.1% completed it for visits to their home country. Lack of awareness and knowledge gaps were primary barriers.

Conclusions:

  • Migrants represent a significant portion of imported malaria cases in developed countries, often with less severe clinical outcomes.
  • Low uptake of malaria preventive measures among migrants returning to endemic areas is a critical issue, driven by insufficient risk awareness and inadequate pre-travel medical guidance.
  • Targeted health education and improved pre-travel consultation are essential to reduce malaria risk in traveling migrant populations.

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