system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 34-year-old woman, gravida 2, para 0, at 28 weeks' gestation comes to the physician for a prenatal visit. She has not had regular prenatal care. Her most recent ultrasound at 20 weeks of gestation confirmed accurate fetal dates and appropriate fetal development. She takes levothyroxine for hypothyroidism. She used to work as a nurse before she emigrated from Brazil 13 years ago. She lost her immunization records during the move and cannot recall all of her vaccinations. She appears well. Vital signs are within normal limits. Physical examination shows a fundal height of 26 cm and no abnormalities. An ELISA test for HIV is negative. Serology testing for hepatitis B surface antibody and hepatitis C antibody are both positive. Hepatitis B core antibody, hepatitis B surface antigen, and hepatitis A antibody are negative. Polymerase chain reaction of hepatitis C RNA is positive for genotype 1. Which of the following is the most appropriate recommendation at this time?
assistant
Hepatitis A vaccination