Overview of Malaria Infection and Haematological Indices in Africa
Understanding Malaria in Tropical Africa: Transmission, Infection, and Hematological Indices
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Malaria, a severe parasitic disease transmitted by Anopheles mosquitoes, is caused by various Plasmodium species, with P. falciparum and P. vivax posing the greatest threat. While most infections are uncomplicated, a small percentage progresses to severe malaria, characterized by disruptions in immune cell profiles and increased cytokine levels. Severe P. falciparum malaria is associated with elevated plasma cytokines, T cell lymphopenia, and impaired T cell function. Treatment aims to restore immune cell balance, particularly CD3+, CD4+, and CD8+ cells. Protective immunity involves CD8+ T cel...
Malaria, a severe parasitic disease transmitted by Anopheles mosquitoes, is caused by various Plasmodium species, with P. falciparum and P. vivax posing the greatest threat. While most infections are uncomplicated, a small percentage progresses to severe malaria, characterized by disruptions in immune cell profiles and increased cytokine levels. Severe P. falciparum malaria is associated with elevated plasma cytokines, T cell lymphopenia, and impaired T cell function. Treatment aims to restore immune cell balance, particularly CD3+, CD4+, and CD8+ cells. Protective immunity involves CD8+ T cells and cytokines like IFN-Gamma and TNF, while CD4+ T cells combat erythrocytic parasites through cytokine secretion and macrophage activation. Regulatory T cells also play a role, highlighting the importance of cytokine balance in malaria. Additionally, factors like antigen affinity influence T helper lymphocyte differentiation, affecting immune responses to the disease.
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