Review Question - QID 217061

A 25-year-old G3P2002 woman presents to her primary care physician for a routine prenatal check. She is at 20-weeks gestational age. She does not have any medical complaints today but states that she was at a birthday party for her daughter yesterday where another child had chickenpox. She has no medical problems and only takes a prenatal vitamin. Review of her vaccination records indicates that she has not received a varicella vaccine in the past. Her temperature is 98.6°F (37.0°C), blood pressure is 114/80 mmHg, pulse is 90/min, and respirations are 18/min. Physical exam reveals 1+ pitting edema in the bilateral lower extremities. There is no skin rash noted. Which of the following is the most appropriate management?