Biology for IGCSE & O level - Diseases And Immunity (Section 2 - No. 33)
What does the term "herd immunity" refer to?
Immunity against diseases that are common to a specific group.
The resistance to an infection that spreads through a large population.
Immunity that is acquired at birth.
A state of being in a herd.
Explanation
Herd immunity is a form of protection for those who cannot be vaccinated.
Comments (0)
