Assertion: smallpox | /r/HasProperty | ancient disease
Facets:
Source sentences:
text: SMALLPOX: AN ANCIENT DISEASE
text: Smallpox is an ancient disease caused by the variola virus.
text: Smallpox is an ancient disease caused by the variola virus.
text: Smallpox is an ancient disease that is highly contagious and often fatal in humans.
text: Smallpox is an ancient disease caused by the Variola virus.