Assertion: chickenpox | /r/AtLocation | tropic
Facets:
value: often
type: TEMPORAL
value: more often
type: DEGREE
Source sentences:
text: In the tropics, varicella occurs more often in adults; thus, immigrants from these areas are more likely to be susceptible than the remainder of the population at comparable ages.
text: In the tropics, chickenpox often occurs in older people and may cause more serious disease.