WHO: How do vaccines work?

| September 13, 2021

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The World Health Organization has a series of plain-language resources that explain the what, how, and why of vaccines. This resource, “How do vaccines work,” answers the following questions:

  • What is the body’s natural reaction to bacteria, viruses, and other disease-causing pathogens?
  • How do vaccines help our body’s natural reaction?
  • What is herd immunity?

This resource is available in Arabic, Cantonese, English, French, Russian, Spanish, and Portuguese.

To access the content, click on: https://www.who.int/news-room/feature-stories/detail/how-do-vaccines-work