A nurse is providing health teaching to an adult patient regarding recommended vaccinations. Which of the following vaccines should the nurse emphasize for all adults, regardless of age, with unknown or incomplete immunization status?

✓ Correct Answer: Option B

Tdap is recommended for all adults who have not received it previously, especially to protect against pertussis (whooping cough), and a Td booster every 10 years thereafter. It is a fundamental adult immunization.