Assertion: quarantine's isolation | /r/HasAspect | little effect
Facets:
value: often
type: TEMPORAL
value: on the general epidemic
type: TRANSITIVE-OBJECT
value: for diseases
type: TRANSITIVE-OBJECT
Source sentences:
text: Even for diseases in which it may protect individuals, isolation will often have little effect on the general epidemic; this may be, as in measles, because infectivity precedes the appearance of the characteristic feature, the rash, by a few days or, as in polio infections, because a number of persons are carriers, harbouring the disease agent without discernible illness.