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Pacific Northwest, Canada and United States Smallpox: 20,000+ [159] [160] [161] 1861–1865 United States typhoid fever epidemic 1861–1865 United States Typhoid fever: 80,000 [162] Fourth cholera pandemic: 1863–1875 Middle East: Cholera: 600,000 [163] 1867 Sydney measles epidemic 1867 Sydney, Australia Measles: 748 [164] 1871 Buenos Aires ...
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 .
By March 26, 2020, the United States, with the world's third-largest population, surpassed China and Italy as the country with the world's highest number of confirmed cases. [86] By April 25, the U.S. had more than 905,000 confirmed coronavirus cases and nearly 52,000 deaths, giving it a mortality rate around 5.7 percent.
The hope of these programs is to gather epidemiological data on various chronic diseases across the United States and demonstrate how this knowledge can be valuable in addressing chronic disease. [11] In the United States, as of 2004 nearly one in two Americans (133 million) has at least one chronic medical condition, with most subjects (58% ...
Least densely populated county Population density Most densely populated county Population density Alabama: Wilcox County: 13.13/sq mi (5.07/km 2) Jefferson County: 592.53/sq mi (228.78/km 2) Alaska: Yukon-Koyukuk Census Area: 0.03/sq mi (0.012/km 2) Anchorage Municipality: 171.19/sq mi (66.10/km 2) American Samoa: Rose Atoll [note 12] 0.00/sq ...
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An endemic disease always has a steady, predictable number of people getting sick, but that number can be high (hyperendemic) or low (hypoendemic), and the disease can be severe or mild. [3] [4] Also, a disease that is usually endemic can become epidemic. [3] For example, chickenpox is endemic in the United Kingdom, but malaria is not.
A rare fungal infection thought to mainly occur in the northern Midwest and parts of the Southeast is more common in other parts of the U.S. than expected, new research published Wednesday finds ...