Question

overseas travelers and ____ get vaccinations. sick people only unhealthy adults people in the hospital children on a routine basis

Explanation:

Vaccinations are commonly given to children on a routine basis as part of preventive healthcare. Sick people, only unhealthy adults, and people in the hospital may not be the most general - category that typically gets vaccinations like children do on a regular schedule. Overseas travelers may need specific vaccinations for travel - related risks, and children get routine vaccinations for common diseases.

Answer:

D. children on a routine basis