Smash Notes

How Does Vaccination Protect an Entire Population

It’s called herd immunity. In order for a infectious agent to survive, it has to spread from person to person to reproduce. If a population has a high percentage of people vaccinated, they are protected. The chances are low for an infected person to run into someone susceptible to the disease.

This Podcast Will Kill You · Ep 26 Vaccines part 1: Let's hear it for Maurice · at 19:04 ·

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