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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 ]
It is not known where the outbreak began, but the epidemic was not limited to the colonies on the Eastern seaboard, nor to the areas ravaged by hostilities. The outbreak spread throughout the North American continent. In 1775, it was already raging through British-occupied Boston and among the Continental Army's invasion of Canada.
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 ...
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Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms.. More than 145 million chickens, ducks, turkeys and other fowl have been slaughtered across the ...
The 1520s smallpox epidemic spread from Mesoamerica into adjacent maize-growing regions in North America.A population decline in the Columbia Basin, evidenced archaeologically by a sharp regional decline in artifacts and structures in the early 1500s, has been tentatively linked to a spread of this outbreak, but greatly predates any written record in the region.
There are 11 illnesses connected to this recall.