Assertion: smallpox's eradication | /r/HasProperty | verified
Facets:
Source sentences:
text: The global eradication of smallpox was verified and certified by a commission of prominent scientists in 1979 and endorsed by the World Health Assembly in 1980.
text: It’s an issue of global responsibility to make sure that countries have the capacity to store the poliovirus safely if they decide to retain it after global eradication has been certified.