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Home Topics Infectious Diseases Infections A-Z Smallpox


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Smallpox is an acute contagious disease caused by the variola virus. Following a worldwide vaccination campaign, smallpox was declared eradicated from the world in 1980; the last naturally acquired case was in Africa in 1977. There are no animal reservoirs for the infection.

Click here for further information about smallpox (deliberate releases) including guidance and images.

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Pages reviewed 4 November 2009