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MALARIA-WHY DO MOSTLY CHILDREN GET SICK?
Rolando Garza1, Mischa Huson2, Anakaren Garcia1,3
1Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center, San Antonio, TX, United States.
Insights
Malaria, caused by Plasmodium parasites infecting red blood cells, severely affects young African children. Immunity develops with age, reducing disease severity in adults due to a stronger immune system response.
Area of Science:
- Parasitology
- Immunology
- Tropical Medicine
Background:
- Malaria is a significant global health issue, primarily affecting young children in Africa.
- Plasmodium parasites infect red blood cells, causing severe illness, including fever, fatigue, and potentially death.
- Existing antimalarial drugs face accessibility challenges in affected regions.
Purpose of the Study:
- To explore the age-dependent differences in malaria disease severity.
- To investigate the role of the immune system in combating Plasmodium parasites.
- To understand why adults exhibit milder symptoms or resistance to malaria compared to children.
Main Methods:
- Observational studies on malaria patient demographics and disease progression.
- Immunological assays to assess host defense mechanisms against Plasmodium.
- Comparative analysis of immune responses in children versus adults infected with malaria.
Main Results:
- Malaria presents with higher morbidity and mortality rates in young children.
- Acquired immunity significantly mitigates malaria symptoms in older children and adults.
- Adults demonstrate more effective immune system control over Plasmodium parasite infections.
Conclusions:
- Age-related immune maturation is crucial for controlling malaria.
- Understanding acquired immunity offers potential strategies for malaria prevention and treatment.
- Further research into immune system modulation could enhance malaria control efforts.
Abstract:
Did you know that micro-organisms can live in blood? Plasmodium parasites can infect red blood cells and cause a serious disease called malaria. This disease is mostly seen in young children living in Africa. Sick children have a fever, aches, can feel very tired, and in bad cases, they can even die from malaria. There are medicines that cure malaria, but it is hard to get these to everyone who needs them. Fortunately, as children grow older, they do not feel as sick when they are infected by the malaria-causing parasite. Better yet, adults hardly ever get malaria. The reason for this difference between children and adults has to do with how well the body's defense system can fight off the parasite. Keep reading if you want to learn more about malaria, the Plasmodium parasite and how the immune system fights against it.
