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Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease to have been eradicated to date.
Due to the long time spans, the first plague pandemic (6th century – 8th century) and the second plague pandemic (14th century – early 19th century) are shown by individual outbreaks, such as the Plague of Justinian (first pandemic) and the Black Death (second pandemic). Infectious diseases with high prevalence are listed separately ...
Twelve cases of smallpox were confirmed—9 in Manhattan and 3 in Millbrook. Seven were adults and 5 were children, the latter group all age 5 and under. The oldest patient was the 62-year-old nun. The youngest patient was the 22-month-old baby girl. [citation needed] Two patients—Eugene Le Bar, age 47, and Carmen Acosta, age 25—died.
1924–1925 Minnesota smallpox epidemic; 1947 New York City smallpox outbreak; 1962-1965 rubella epidemic [2] 1976 Philadelphia Legionnaires' disease outbreak; 1976 swine flu outbreak; 1987 Carroll County cryptosporidiosis outbreak; 1990–1991 Philadelphia measles outbreak; 1993 Four Corners hantavirus outbreak; 1992–1993 Jack in the Box E ...
Smallpox is caused by either of the two viruses, Variola major and Variola minor. Smallpox vaccine was available in Europe, the United States, and the Spanish Colonies during the last part of the century. [4] [5] The Latin names of this disease are Variola Vera. The words come from various (spotted) or varus (pimple).
Antonine Plague-- interesting Roman pandemic attributed to smallpox/measles. Several usable images. One unsourced paragraph. (Start-class assessment appears outdated.) Espresso Addict 01:13, 26 February 2021 (UTC) 1721 Boston smallpox outbreak-- long reasonably sourced article from AfC. Usable images.
The history of smallpox extends into pre-history. [1] Genetic evidence suggests that the smallpox virus emerged 3,000 to 4,000 years ago. [ 2 ] Prior to that, similar ancestral viruses circulated, but possibly only in other mammals, and possibly with different symptoms.
The first known smallpox epidemic to strike the native peoples of the coastal and interior Pacific Northwest arrived in the early 1770s, devastating large swathes of the population and causing significant demographic collapse – both from the disease itself and corresponding malnutrition from the deaths of hunters within tribes.