Worldwide, 3.4 billion people live in areas at risk of<unk>  transmission in 106 countries and territories. The World Health Organization estimates that in 2012<unk>  caused 207 million clinical episodes, and 627,000 deaths. An estimated 91% of deaths in 2010 occurred in the African Region. The vast majority of cases of<unk>  occur in children under the age of 5 years.<unk>  is presently endemic in a broad band around the equator, in areas of the Americas, many parts of Asia, and much of Africa; however, it is in sub-Saharan Africa where 85– 90% of<unk>  fatalities occur.<unk>  is present depending primarily on climatic factors such as temperature, humidity, and rainfall.
Malaria epidemiology and demographics
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Ebola epidemiology and demographics
AIDS epidemiology & demographics
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HIV AIDS epidemiology and demographics