1372 Smallpox an 1 Ts Eradication
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چکیده
منابع مشابه
Potential Sources for a Return of Smallpox
The eradication of smallpox was defined by successive WHO expert groups (WHO Scientific Group on Smallpox Eradication, 1968 ; WHO Expert Committee on Smallpox Eradication, 1972) as "the elimination of clinical illness caused by variola virus". An important corollary of this definition was that it did not involve the extinction of variola virus, as some experts had urged . The procedures for the...
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In 1796, Edward Jenner introduced the concept of vaccination with cowpox virus, an Orthopoxvirus within the family Poxviridae that elicits cross protective immunity against related orthopoxviruses, including smallpox virus (variola virus). Over time, vaccinia virus (VACV) replaced cowpox virus as the smallpox vaccine, and vaccination efforts eventually led to the successful global eradication o...
متن کاملThe eradication of smallpox.
The key events in the eradication of smallpox worldwide are related. Smallpox virus was spread by droplets, only from the appearance of the rash until scabs form, 4 weeks later. It only infected humans, making it a potential disease for eradication. It had been endemic in populous areas, largely China and India in ancient times, appearing in Europe in the 6th century and in America in 1520. ...
متن کاملSmallpox eradication. Destruction of variola virus stocks.
1. The global eradication of smallpox was confirmed in 1980 (resolution WHA33.3). From 1981 to 1986, WHO undertook a programme to implement the post-eradication policies contained in the 1979 report of the Global Commission for the Certification of Smallpox Eradication and endorsed by the Health Assembly in resolution WHA33.4. Progress was reviewed year by year from 1981 to 1984 by the WHO Comm...
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From a public health perspective the disease of smallpox was officially declared eradicated in 1980 – the result of a successful global initiative led by the World Health Organization (WHO), the first and to date only success against a disease in humans. The world could celebrate its freedom from a dreaded disease. Much of the literature about the history of smallpox – a disease that has fascin...
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