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makkiz [27]
3 years ago
12

What is herd immunity, and why are vaccines important for achieving herd immunity?

Biology
1 answer:
kap26 [50]3 years ago
8 0

Answer:

Herd immunity is a form of indirect protection from infectious disease that can occur with some diseases when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity.

Explanation:

Vaccines create immunity without causing illness or resulting complications. Herd immunity makes it possible to protect the population from a disease, including those who can't be vaccinated, such as newborns or those who have compromised immune systems.

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