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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.
After successful vaccination campaigns throughout the 19th and 20th centuries, the WHO certified the global eradication of smallpox in May 1980. [9] Smallpox is one of two infectious diseases to have been eradicated, the other being rinderpest, which was declared eradicated in 2011. [10] [11] [12]
Eradication of smallpox (last naturally occurring case recorded). The eradication effort dates back to the time of Edward Jenner , an English physician who demonstrated that cowpox could protect humans from smallpox, thus beginning the eradication of smallpox on a regional scale. [ 69 ]
Smallpox eradicated after years of work to stop spread In 1967, the World Health Organization began an “intensified effort” to eradicate smallpox, a contagious disease caused by the variola virus.
1975 – The last victim of variola major smallpox, the more severe form of the disease, was reported. 1976 – CDC investigated two outbreaks of a previously unknown deadly hemorrhagic fever, later known as Ebola, in Zaire and Sudan. 1977 – Global eradication of smallpox was achieved.
By LAURAN NEERGAARD AP Medical Writer WASHINGTON (AP) -- More than three decades after the eradication of smallpox, U.S. officials say it's still not time to destroy the last known stockpiles of ...
Aztec smallpox victims. The history of smallpox in Mexico spans approximately 430 years from the arrival of the Spanish to the official eradication in 1951. It was brought to what is now Mexico by the Spanish, then spread to the center of Mexico, where it became a significant factor in the fall of Tenochtitlan. During the colonial period, there ...
Smallpox was eradicated in 1980, so few people born after that year are vaccinated against it. Now the vaccine is being used to protect people from monkeypox. Here's what to know.