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Prevention. Treatment. Prognosis. History. Society and culture. See also. References. Further reading. External links. Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus.
- History
History of smallpox. The history of smallpox extends into...
- History
Smallpox is an acute contagious disease caused by the variola virus, a member of the orthopoxvirus family. It was one of the most devastating diseases known to humanity and caused millions of deaths before it was eradicated. It is believed to have existed for at least 3000 years.
5 de ago. de 2022 · Descripción general. La viruela es una infección vírica grave y, en ocasiones, mortal. Se trata de una enfermedad contagiosa, ya que se propaga de una persona a otra, y deja cicatrices permanentes. A veces, incluso provoca deformaciones.
Smallpox is an infectious disease that begins with fever and headache and proceeds to an eruption of the skin that leaves pockmarks. For centuries smallpox was one of the world’s most-dreaded diseases. But it was also one of the first diseases to be controlled by a vaccine, which led to its eradication in 1980.
- The Editors of Encyclopaedia Britannica
- Smallpox is caused by infection with variola major, a virus of the family Poxviridae. A less-virulent form of smallpox, called alastrim, is caused...
- Smallpox was one of the first diseases to be controlled by a vaccine. In 1967 the World Health Organization (WHO) began a global vaccination progra...
- For centuries smallpox was one of the world’s most-dreaded plagues, killing as many as 30 percent of its victims, most of them children.
- People who survived smallpox were permanently immune to a second infection, though they faced a lifetime of disfigurement and, in some cases, blind...
- The last endemic case of smallpox (actually an infection of variola minor) was recorded in Somalia in 1977. No cases were reported from 1977 to 198...
- Monkeypox is caused by the monkeypox virus, which is a member of Poxviridae, the same virus family that causes smallpox and cowpox.
28 de jun. de 2016 · Since smallpox was eradicated, the vaccine is not recommended in routine immunization. It is used to protect researchers who work on the variola virus that causes smallpox and other viruses in the same virus family (known as orthopox viruses). It could also be used to protect anyone else judged to have a high risk of exposure to smallpox.
Smallpox is an infectious disease that is caused by the variola virus. It spreads from one person to another, either directly or indirectly. The variola virus infects only humans — other animals are unable to catch smallpox.
