Question

when children are immunized, they contribute to the protection of others. this is referred to as \ _____\. community immunity vaccinating herd immunity failure to thrive

Explanation:

Herd immunity occurs when a large enough portion of a population is immunized, protecting those who are not immune. When children are immunized and contribute to the protection of others, this is an example of herd immunity. Community immunity is a similar concept but herd immunity is the more commonly - used term in this context. Vaccinating is the act of administering a vaccine, and failure to thrive is unrelated to the protection of others through immunization.

Answer:

C. herd immunity