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Related Experiment Video

Updated: May 22, 2026

Building a Better Mosquito: Identifying the Genes Enabling Malaria and Dengue Fever Resistance in A. gambiae and A. aegypti Mosquitoes

Building a Better Mosquito: Identifying the Genes Enabling Malaria and Dengue Fever Resistance in A. gambiae and A. aegypti Mosquitoes

Published on: July 4, 2007

Migration and malaria in europe.

Begoña Monge-Maillo¹, Rogelio López-Vélez

¹Tropical Medicine. Infectious Diseases Department. Hospital Ramón y Cajal, Madrid, Spain.

Mediterranean Journal of Hematology and Infectious Diseases

|April 27, 2012

Summary

Imported malaria cases in Europe are rising, primarily from Sub-Saharan Africa. Screening immigrants is crucial to prevent malaria reintroduction and transmission outside endemic areas.

Area of Science:

Medical Entomology
Infectious Diseases
Public Health

Background:

Imported malaria cases in Europe have increased, particularly among immigrants visiting friends and relatives (VFRs) in their home countries.
Plasmodium falciparum from Sub-Saharan Africa is the most common cause, often presenting with mild or asymptomatic infections due to semi-immunity.

Purpose of the Study:

To highlight the growing risk of malaria importation by immigrants in Europe.
To emphasize the potential for both vector-borne and non-vector-borne transmission outside endemic regions.
To advocate for malaria screening among immigrants from endemic countries.

Main Methods:

Review of epidemiological trends in imported malaria cases.
Analysis of clinical presentations and parasitic levels in immigrant populations.

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Assessment of transmission risks in non-endemic settings.

Main Results:

A significant increase in imported malaria cases linked to immigrants, especially VFRs.
Predominance of P. falciparum from Sub-Saharan Africa.
Mild clinical presentations, including asymptomatic and sub-microscopic infections, are common in immigrants.
Potential for both vector-borne and non-vector-borne transmission (blood transfusion, transplantation, congenital).

Conclusions:

Malaria screening for recently arrived immigrants from endemic countries is essential.
Screening aims to reduce individual clinical risk and prevent autochthonous malaria transmission.
Early detection and intervention are key to controlling malaria importation and re-establishment in non-endemic areas.