Related Experiment Videos
Nutritional modulation of malaria morbidity and mortality
1Departments of International Health and of Molecular Microbiology and Immunology, Johns Hopkins School of Hygiene and Public Health, Baltimore, Maryland, USA. ashankar@hki-indonesia.org
The Journal of Infectious Diseases
|August 17, 2000
Summary
Malnutrition worsens malaria outcomes, but certain nutrient supplements like vitamin A and zinc can reduce illness. Iron supplementation is generally safe and beneficial for malaria patients, while other nutrients have varied effects.
Area of Science:
- Nutrition and Infectious Diseases
- Malariology
- Public Health Nutrition
Background:
- Malaria remains a significant global health challenge, particularly in regions with high burdens of malnutrition.
- Nutritional status is increasingly recognized as a critical factor influencing malaria susceptibility, severity, and treatment outcomes.
Purpose of the Study:
- To critically review the complex relationship between nutritional status and malaria.
- To evaluate the impact of various nutrient interventions on malaria morbidity and mortality.
Main Methods:
- Systematic review of existing literature and controlled trials.
- Analysis of data on protein-energy malnutrition, vitamin A, zinc, iron, and other micronutrients in relation to malaria.
Main Results:
- Protein-energy malnutrition is linked to increased malaria morbidity and mortality.
- Vitamin A and zinc supplementation significantly reduce clinical malaria attacks.
- Iron supplementation improves hematologic status and is not contraindicated, despite potential minor effects on some malariometric indices.
- Other nutrients like thiamine, vitamin E, riboflavin, and vitamin C show varied effects, being exacerbative, protective, or both depending on the context.
Conclusions:
- Nutritional status profoundly impacts malaria. Targeted nutrient interventions offer a promising, low-cost adjunct to existing malaria control strategies.
- Further research into nutrient-malaria interactions can elucidate protective mechanisms and guide the development of effective public health interventions.