Assertion: smallpox's virus | /r/HasProperty | released via respiratory tract
Facets:
Source sentences:
text: Variola virus, a member of the orthopoxvirus family Physical Attributes Large brick-shaped viruses with a double stranded DNA Geography World wide Mode(s) of Transmission Direct and fairly prolonged (typically more than 3 hours) face-to-face contact with a patient after fever has begun and during the first week of rash, when the virus is released via the respiratory tract