Which infectious human disease has been eradicated?
smallpox
leprosy
cholera
typhus
After vaccination campaigns throughout the 19th and 20th centuries, the WHO certified the eradication of smallpox in 1979. The fact that humans are the only reservoir for smallpox infection, and that carriers did not exist, played a significant role in the eradication of smallpox. So far, it is the only eradicated infectious human disease.
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Answers by country
smallpox
leprosy
cholera
typhus
answers
Republic of Ireland50
Pakistan61
Malaysia20
France16
the Netherlands27
South Africa20
the United States634
India384
Australia59
Italy28
the United Kingdom261
Germany773
the United Arab Emirates17
Canada72
Nigeria27
Austria107
the Philippines43
Poland17672
Switzerland92
Greece26