A caregiver presents with a 14-month-old child as a new patient. The child is well-appearing, and the caregiver asks about vaccines.

A caregiver presents with a 14-month-old child as a new patient. The child is well-appearing, and the caregiver asks about vaccines. They report that the child got 2 Hepatitis B vaccines: one at birth and the second at 2 months of age, but missed the third vaccine. They wonder if the child needs a third hepatitis B vaccine still, or if they need to start the series over. What is the correct response? A. Vaccine was given incorrectly; series should be repeated. B. Usually this vaccine is given at 2 months, 4 months, and 6 months. The child can not get a third vaccine now. C. She does not need to start over, but titers should be taken before any further vaccines are administered. D. She should get the third vaccine, and she does not need to start over.