When Using Hydroxychloroquine as a Preventive Form of Therapy for Malaria,it

Multiple Choice

When using hydroxychloroquine as a preventive form of therapy for malaria,it is started:

A) one week before entering and continued for one week after leaving a malaria-affected area.
B) two weeks before entering and continued for two weeks after leaving a malaria-affected area.
C) three weeks before entering and continued for three weeks after leaving a malaria-affected area.
D) one week before entering and continued for four weeks after leaving a malaria-affected area.