Assertion: measles | /r/HasProperty | active
Facets:
value: on a surface
type: LOCATION
value: in the air
type: LOCATION
value: for up to two hours
type: TEMPORAL
Source sentences:
text: The virus stays active and contagious in the air for up to two hours, and can be transmitted from an infected person for up to four days before and after a rash appears.
text: The virus can remain active and contagious on a surface where the infected person sneezed or coughed for up to two hours.