Plz help asap 30 points I will fail without this assignment so pls don't steal points

Ireally need to know this answer asap

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection