A nurse is providing teaching about the diphtheria, tetanus, and pertussis (DTaP) vaccine to the parent of an infant. Which of the following should the nurse include?

A. The vaccine is administered in the thigh: For infants, the preferred site for intramuscular administration of the DTaP vaccine is the anterolateral thigh. This site has adequate muscle mass to safely absorb the vaccine and reduce complications. B. The vaccine is administered subcutaneously, or under the skin: The DTaP vaccine is administered intramuscularly, not subcutaneously, to ensure proper absorption and immune response. C. The vaccine is given in a series of three doses: The primary DTaP series for infants typically consists of five doses, not three, given at 2, 4, 6, 15–18 months, and 4–6 years. D. Booster doses are recommended every 5 years throughout life: Booster doses are given at specific ages—4–6 years, 11–12 years (Tdap), and then every 10 years—not every 5 years.