Assertion: smallpox's incubation period | /r/CapableOf | average about 12 to 14 days
Facets:
Source sentences:
text: This incubation period averages about 12 to 14 days but can range from 7 to 17 days.
text: This incubation period averages about 12 to 14 days but can range from 7 to 17 days.