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Malaria is a mosquito-borne infectious disease that affects vertebrates and Anopheles mosquitoes. [6] [7] [3] Human malaria causes symptoms that typically include fever, fatigue, vomiting, and headaches. [1] [8] In severe cases, it can cause jaundice, seizures, coma, or death.
George Macdonald (22 June 1903 – 10 December 1967) was a British physician who was Professor of Tropical Hygiene at the London School of Hygiene & Tropical Medicine. His research concentrated primarily on malaria, its epidemiology and control.
According to the WHO's World Malaria Report 2015, the global mortality rate for malaria fell by 60% between 2000 and 2015. The WHO targeted a further 90% reduction between 2015 and 2030, [64] with a 40% reduction and eradication in 10 countries by 2020. [65] However, the 2020 goal was missed with a slight increase in cases compared to 2015. [66]
Plasmodium malariae is a parasitic protozoan that causes malaria in humans. It is one of several species of Plasmodium parasites that infect other organisms as pathogens, also including Plasmodium falciparum and Plasmodium vivax, responsible for most malarial infection.
Plasmodium falciparum is a unicellular protozoan parasite of humans, and the deadliest species of Plasmodium that causes malaria in humans. [2] The parasite is transmitted through the bite of a female Anopheles mosquito and causes the disease's most dangerous form, falciparum malaria.
Malaria researchers have won multiple Nobel Prizes for their achievements, although the disease continues to afflict some 200 million patients each year, killing more than 600,000. Malaria was the most important health hazard encountered by U.S. troops in the South Pacific during World War II, where about 500,000 men were infected. [6]
Plasmodium vivax is a protozoal parasite and a human pathogen.This parasite is the most frequent and widely distributed cause of recurring malaria. [2] Although it is less virulent than Plasmodium falciparum, the deadliest of the five human malaria parasites, P. vivax malaria infections can lead to severe disease and death, often due to splenomegaly (a pathologically enlarged spleen).
This term is often used to describe the prevalence of malaria in a local area, with 10 to 50% of children showing evidence of prior infection being considered a moderate level for that disease. [8] [10] Hypoendemic An endemic disease with a low rate of infection. [8] [9] Typhoid fever is a hypoendemic disease in the US. [11]