When immunization levels in a population are high,________ provides protection from infection for at-risk persons who cannot be immunized.
A) contact immunity
B) active immunization
C) herd immunity
D) adjuvant therapy
E) variolation

Question

Quizplus · Accepted Answer

Herd immunity occurs when a significant proportion of the population is immune to a particular disease, thus making it difficult for the disease to spread. This protects at-risk individuals who cannot be immunized or who may not have a successful immune response to vaccination. This is why it is important for as many people as possible to receive vaccines in order to maintain herd immunity.

When Immunization Levels in a Population Are High,________ Provides Protection