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Tropical diseases are diseases that are prevalent in or unique to tropical and subtropical regions. [1] The diseases are less prevalent in temperate climates , due in part to the occurrence of a cold season, which controls the insect population by forcing hibernation .
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العربية; অসমীয়া; Azərbaycanca; বাংলা; Башҡортса; Беларуская; Беларуская (тарашкевіца)
Infectious diseases have played a significant role in human history, impacting the rise and fall of civilizations and facilitating the conquest of new territories. [16] During recent decades, there are significant regional changes in vector and pathogen distribution reported in temperate, peri‐Arctic, Arctic, and tropical highland regions.
Just reading the Centers for Disease Control and Prevention's Travel page, with its list of some 60-odd diseases from African Sleeping Sickness to Yellow Fever may be enough to make you World's ...
As the Earth's axial tilt changes, [a] so too do the tropical and polar circles. The tropics constitute 39.8% of Earth's surface area [ 1 ] and contain 36% of Earth's landmass . [ 2 ] As of 2014 [update] , the region was home also to 40% of the world's population , and this figure was then projected to reach 50% by 2050.
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Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered ...