GCSE Biology Revision "Vaccination"

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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.

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Image credits:

Vaccine By Mariusz Ch. - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index...

Music credit:

Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty-...
Artist: http://incompetech.com/