How herd immunity works

Since the measles outbreak, the issue of herd immunity has come up due to the high amount of people who are unvaccinated. Anti-vaccine groups allege because people who are vaccinated get diseases they are immunized for proves vaccines don’t work. This excellent video provides an explanation of Herd Immunity, and a response to claims that you’re more likely to die of a pathogen if you’ve been vaccinated for it.

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