Assertion: smallpox | /r/Causes | fever
Facets:
Source sentences:
text: Smallpox is a viral infection that causes a fever and severe skin rash.
text: It caused a rash, blisters, and fever, just like chickenpox.
text: Smallpox causes fever and a blistering skin rash.
text: Smallpox caused fever and a painful, pustular rash and could result in disfigurement and death; about 30% of all smallpox victims died.