Review Question - QID 108659

A 24-year-old G1P0000 woman presents for her first obstetric visit and is found to be at approximately 8 weeks of gestation. She has no complaints aside from increased fatigue and occasional nausea. The patient is a recent immigrant from Africa and is currently working as a babysitter for several neighborhood children. One of them recently had the flu and another is home sick with chickenpox. The patient has no immunization records and does not recall if she has had any vaccinations. She is sexually active only with her husband, has never had a sexually transmitted disease, and denies intravenous drug use. Her husband has no past medical history. Her temperature is 98.7°F (37.1°C), blood pressure is 122/76 mmHg, pulse is 66/min, and respirations are 12/min. A physical exam is unremarkable. Which of the following immunizations should this patient receive at this time?