HSV shedding among placebo recipients was detected on 16.6 % of days ; shedding among pritelivir recipients was detected on 18.2 % of days among those receiving 5 mg daily , 9.3 % of days among those receiving 25 mg daily , 2.1 % of days among those receiving 75 mg daily , and 5.3 % of days among those receiving 400 mg weekly .