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 Ireland
50
Pakistan
61
Malaysia
20
France
16
the Netherlands
27
South Africa
20
the United States
614
India
383
the United Kingdom
257
Italy
28
Australia
58
Germany
743
the United Arab Emirates
17
Canada
72
Nigeria
27
Austria
105
the Philippines
43
Poland
17562
Switzerland
90
Greece
26