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Malaria at the turn from the 2nd to the 3rd millenium
Gunther Wernsdorfer1, Walther H Wernsdorfer
1Faculty of Tropical Medicine, Mahidol University, Bangkok.
Wiener Klinische Wochenschrift
|October 29, 2004
Summary
Malaria remains a major global health threat, particularly in tropical Africa, causing millions of cases and deaths annually. Drug resistance in Plasmodium falciparum significantly hinders efforts to control malaria mortality and suffering.
Area of Science:
- Global Health
- Communicable Diseases
- Tropical Medicine
Background:
- Malaria affects 40% of the global population in endemic areas, a reduction from 80% in 1950 due to control efforts.
- Despite progress, malaria remains prevalent in tropics and subtropics, with 90% of global incidence concentrated in tropical Africa.
- Plasmodium falciparum is the primary cause of malaria in tropical Africa, leading to the highest region-specific mortality rates.
Purpose of the Study:
- To highlight the persistent global burden of malaria.
- To emphasize the disproportionate impact of malaria in tropical Africa.
- To identify drug resistance in Plasmodium falciparum as a critical challenge to malaria control.
Main Methods:
- Analysis of global malaria incidence and mortality statistics.
- Review of historical trends in malaria endemicity.
- Assessment of the geographical distribution and primary causative agents of malaria.
- Evaluation of challenges in malaria control, focusing on drug resistance.
Main Results:
- Malaria causes 300-500 million clinical cases and 1.1-2.7 million deaths annually.
- Tropical Africa accounts for 90% of global malaria incidence, predominantly due to Plasmodium falciparum.
- Drug resistance in Plasmodium falciparum poses a significant threat to malaria control objectives.
Conclusions:
- Malaria remains a critical global health issue, especially in tropical Africa.
- Intensive control measures have reduced endemicity but not eliminated the disease.
- Combating Plasmodium falciparum drug resistance is essential for reducing malaria-related mortality and suffering.