Thread: [Discussion] Vaccines
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Old November 14th, 2012, 12:18 PM
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Originally Posted by TRIFORCE89 View Post
It is really rare in the modern world because the population was vaccinated. That's how you fights these

Stop that and it returns
Old, but I just now saw this:

There's a term in Epidemiology called 'Herd Immunity' - basically, in order for a population to become immune to a pathogenic disease, 80-90% must be effectively vaccinated against that disease in order to prevent a widespread outbreak. Every single person who opts not to get vaccinated jeopardizes not only their own health but the communities health.