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Chickenpox, also known as varicella (/ ˌ v ɛ r ə ˈ s ɛ l ə / VER-ə-SEL-ə), is a highly contagious disease caused by varicella zoster virus (VZV), a member of the herpesvirus family. [ 3 ] [ 7 ] [ 5 ] The disease results in a characteristic skin rash that forms small, itchy blisters , which eventually scab over. [ 1 ]
1772 North America measles epidemic 1772 North America Measles: 1,080 [114] 1772–1773 Persian Plague (part of the second plague pandemic) 1772–1773 Persia: Bubonic plague: 2 million [115] 1775–1776 England influenza outbreak 1775–1776 England Influenza: Unknown [116] 1775–1782 North American smallpox epidemic: 1775–1782
The chicken pox vaccine became available in the U.S. in 1995 and, since then, cases of the virus in the U.S. have plummeted. But chicken pox still emerges from time to time. Montana public health ...
The 1862 Pacific Northwest smallpox epidemic was a smallpox outbreak that started in Victoria on Vancouver Island and spread among the indigenous peoples of the Pacific Northwest Coast and into the indigenous peoples of the Northwest Plateau, killing a large portion of natives from the Puget Sound region to Southeast Alaska.
2003 Midwest monkeypox outbreak; 2006 North American E. coli O157:H7 outbreak in spinach; 2006 North American E. coli O157:H7 outbreaks; 2008 United States salmonellosis outbreak; 2009 swine flu pandemic in the United States; 2011 United States listeriosis outbreak; 2012 outbreak of Salmonella; 2012–2013 flu season; 2014 enterovirus D68 outbreak
Most children today receive the chickenpox vaccine as a routine part of childhood immunizations. Solidcolours/E+ via Getty ImagesIn July 2021, a Centers for Disease Control and Prevention ...
There were three major vaccination attempts to stop the spread of smallpox when the epidemic began. Many traders tried to obtain vaccines from the American Fur Company but it was unwilling to heed their requests. [8] The American government made some efforts under the Indian Vaccination Act of 1832. Some did receive vaccines for smallpox ...
California’s dairy operators, for the first time in history, are also battling the avian flu virus that has, so far, infected 133 dairies in the state and made 13 dairy workers sick with mild ...