Assertion: leprosy's incubation period | /r/HasProperty | about five years
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Incubation period of the disease is about five years.
text: The average incubation period is 5 years.
text: The incubation period of the disease is often five years or more and symptoms can take as long as 20 years to appear.
text: The incubation period of the disease is up to 5 years.
text: M. leprae multiplies very slowly and the incubation period of the disease is considered to be about five years.
text: TRANSMISSION of LEPROSY Leprosy is a chronic disease caused by a bacillus, Mycobacterium leprae, M. leprae multiplies very slowly and the incubation period of the disease is about five years.