Assertion: smallpox's virus | /r/CapableOf | infect human
Facets:
value: in nature
type: LOCATION
Source sentences:
text: Vaccinia virus, monkeypox virus, cowpox virus, and camelpox virus  are other members of Orthopoxvirus that infect humans.
text: Vaccinia, cowpox, and monkeypox viruses can infect both humans and other animals in nature.
text: Viruses that are hosted in nonhuman species but can infect humans are known as zoonotic.
text: This virus only infects humans, which is the main reason why it was able to be eradicated.