What is herd immunity?

Herd immunity happens when enough people become immune to a disease, slowing its spread. Vaccination is the safest way to achieve it, protecting both individuals and communities from severe illness and outbreaks.

About this article...

  • Suitable for members aged 12-17
  • 5 minute read
  • 1,029 words (2.6 sides of A4)
  • Providing help and guidance on Family
  • Premium content available to members only
  • Created and reviewed by our team of experts

Let's get started...

Herd immunity is a term used to describe how a population can become protected from a disease when a large enough percentage of people develop immunity to it. This immunity can come from either vaccination or previous infection. When herd immunity is reached, the disease finds it harder to spread, protecting even those who are not immune. How Does Herd Immunity Work? Herd immunity works by reducing the number of people who can catch and pass on a disease. If enough people are immune, the virus or bacteria has fewer opportunities to infect new hosts. This helps stop outbreaks and...
CONTENT RESTRICTED!

To continue reading this premium article and gain access to discounts at your favourite retailers you need to become a VIP member for just £3 per month!

  • Exclusive VIP welcome pack
  • Thousands of premium articles & guides
  • Exclusive retailer discounts and gifts
  • Helpful advice and support for teenagers
Sign up now!

Already registered? Log In

Subscribe for less than a cup of coffee.

Don't face 18 alone! For less than a cup of coffee each month you can access hundreds of helpful guides and articles on topics from sex to staying safe online.

*Plus members get exclusive discounts from hundreds of retailers like JD Sports, H&M, Boots and more, just by signing up!

SIGN UP NOW!
Subscribe to Facing18 for less than a cup of coffee!