Assertion: smallpox's virus | /r/CapableOf | travel up a service duct
Facets:
value: in air currents
type: LOCATION
value: below to a room
type: LOCATION
value: from the laboratory
type: LOCATION
Source sentences:
text: The report favoured air current transmission and concluded that the virus could have travelled in air currents up a service duct from the laboratory below to a room in the Anatomy Department that was used for telephone calls.