What is the ideal time for staing post-exposure prophylaxis with acyclovir in a person exposed to varicella?
Antiviral therapy for prophylaxis against varicella should be staed 7 days after the intense exposure, using acyclovir. Ref: Harrisons Principles of Internal Medicine, 18th edition, Page: 1466
Immediately after exposure
3rd day
7-9 th day
10-14 th day