Assertion: hepatitis b | /r/HasProperty | sub-saharan africa
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text: Hepatitis B is found throughout the world, but its prevalence varies greatly; it is especially high in Asia, sub-Saharan Africa, and the South Pacific, as well as in specific populations in South America, the Middle East, and the Arctic.1 Prevalence in the United States varies, based on the population makeup, including the extent of the immigrant population from endemic areas, and on risk factors and behavior, such as the prevalence of intravenous drug use and homosexual practices.