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[Malaria prevention].

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  • 1Service des maladies infectieuses et tropicales, hôpital Avicenne (AP-HP), Université Paris-13, Bobigny, France.

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Summary
This summary is machine-generated.

Malaria chemoprophylaxis is no longer recommended for most travelers to Asia and tropical America due to low Plasmodium falciparum risk. Focus on mosquito bite prevention and seeking medical care for fever after travel, especially in sub-Saharan Africa.

Keywords:
chemoprophylaxismalariaprevention

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Area of Science:

  • Global Health
  • Infectious Diseases
  • Travel Medicine

Background:

  • Malaria risk varies significantly by region, with sub-Saharan Africa posing a substantially higher threat than tropical Asia and America.
  • Plasmodium falciparum transmission is notably absent in Asian and tropical American regions, altering traditional prevention strategies.

Purpose of the Study:

  • To update recommendations for malaria chemoprophylaxis based on current risk assessments.
  • To emphasize non-pharmacological prevention methods and post-travel health monitoring for all travelers.

Main Methods:

  • Review of malaria transmission data and risk stratification for different geographical areas.
  • Analysis of Plasmodium falciparum prevalence in travelers returning from endemic regions.

Main Results:

  • A significant reduction in recommended chemoprophylaxis for travelers to low-risk areas like Asia and tropical America.
  • Confirmation that sub-Saharan Africa remains a high-risk area necessitating specific preventive measures.

Conclusions:

  • Chemoprophylaxis is advised against for conventional stays in most of Asia and tropical America, simplifying malaria prevention advice.
  • Travelers should prioritize mosquito bite prevention (repellents, treated nets, clothing) and seek prompt medical attention for fever upon return, particularly after visiting sub-Saharan Africa.
  • Information campaigns targeting African migrants are crucial due to their higher risk of imported malaria.