A 34-year-old primigravida at 11 weeks gestation presents to her obstetrics clinic with chief complain of exposure to a rash. Her husband is HIV+ve and has broken out on a rash in his left buttock which consists of a grouped vesicles on a maculopapular base, 4 days back. She has got her HIV testing done which is negative. Her P/R is 86/min, B/P = 100/60 mm of hg, resp rate 10/min and temp = 98.7F.FHS is heard via Doppler.What is the next step in the management: