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In this video, we look at vaccination. First we explore how vaccination protects an individual person from infection by a pathogen. We then look at how vaccination in a population can protect an unvaccinated person.

This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

Image credits:

Vaccine By Mariusz Ch. - Own work, CC BY-SA 3.0, [ Ссылка ]

Music credit:

Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence ([ Ссылка ])
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