Question

question: when infants and people with weak immune systems are unable to receive specific vaccines, they receive some disease-protection when the people around them are vaccinated. this is known as ____ immunity.

Explanation:

The concept described is herd immunity. Herd immunity occurs when a significant portion of a population is vaccinated (or immune) against a disease, which indirectly protects those who are unable to be vaccinated (like infants or immunocompromised individuals) because the spread of the disease is reduced in the community.

Answer:

herd