Assertion: smallpox's virus | /r/AtLocation | only 2 laboratory repositories
Facets:
value: in russia
type: LOCATION
value: in the u.s.
type: LOCATION
value: officially
type: MANNER
Source sentences:
text: The virus officially exists in only 2 laboratory repositories in the U.S. and Russia.
text: Human Vector/Dormant Form None; virus exists only in 2 laboratory repositories in the U.S. and Russia
text: The virus officially exists in only 2 laboratory repositories in the U.S. and Russia.