Assertion: prophylaxis | /r/CapableOf | begin before travel
Facets:
value: to malarious areas
type: LOCATION
Source sentences:
text: Prophylaxis should begin 1–2 days before travel to malarious areas and should be taken daily, at the same time each day, while in the malarious areas, and daily for 7 days after leaving the areas (see Table 4-10 for recommended dosages).
text: Prophylaxis should begin 1–2 weeks before travel to malarious areas.