The Center for Disease Control (CDC) evaluates the marginal cost effectiveness of vaccinating all people against certain diseases. If the marginal benefit is set at $5,000, which generalization explains why the CDC does not mandate vaccination of 100% of the people?

A) At low vaccination coverage rates (0-70%), the marginal cost is greater.

B) At high vaccination coverage rates (70-100%), the marginal cost is less.

C) At 100% vaccination coverage, the cost per case prevented is less than the marginal benefit.

D) At 100% vaccination coverage, the cost per case prevented is greater than the marginal benefit.

The Center for Disease Control CDC evaluates the marginal cost effectiveness of vaccinating all people against certain diseases If the marginal benefit is set class=