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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.
Diseases associated with this genus include smallpox, cowpox, horsepox, camelpox, and mpox. [ 1 ] [ 2 ] The most widely known member of the genus is Variola virus , which causes smallpox. It was eradicated globally by 1977, through the use of Vaccinia virus as a vaccine .
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 was a dangerous disease caused by the variola major virus. The most common type of smallpox, ordinary, historically has devastated populations with a 30% death rate. The smallpox virus is transmittable through bodily fluids and materials contaminated with infected materials.
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The Centers for Disease Control reports that there have been more than 22,400 cases across 79 countries around the world. Almost 99% of monkeypox cases from the current outbreak have been reported ...
Biopsies done on lesion from both patients showed Guarnieri bodies, establishing the diagnosis of smallpox. As soon as the diagnosis was made, all the patients and staff of Willard Parker Hospital were vaccinated for smallpox, while the New York City Department of Health and the U.S. Public Health Service were notified. All the known contacts ...
Mpox, which comes from the same virus family as smallpox, spreads from animals to people, and it received its former name, monkeypox, because that is the animal it was first discovered in.