Explain why the diseases malaria, leishmaniasis, andtrypanosomiasis are primarily diseases of tropical regions.

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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Explain why the diseases malaria, leishmaniasis, and
trypanosomiasis are primarily diseases of tropical regions.

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Tropical diseases can be defined as  the diseases that are widesperead in tropical and subtropical regions. The diseases are less frequent in temperate climates due to the occurrence of a cold season, which controls the population of insects by the mechanism of hibernation.

The human exploration towards the deforestation of tropical rainforest which leads to the rise in immigration and increased international air travel and other tourism in the tropical regions result in the enhancement of the incidence of diseases to the non-tropical countries.

These insects may carry a parasite, bacterium, or virus that is responsible for vital infections in humans and animals. The mode of transmission of the infectious agent occurs by the bite of an insect. 

 

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