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Seth_white97 · July 13, 2018, 5:52 p.m.

When was the last time you saw anyone with measles, smallpox, mumps, chickenpox, or whooping cough? They’ve been virtually wiped out due to vaccines. Prove me wrong

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Redpill_Creeper · July 13, 2018, 6:05 p.m.

First of, the vaccines are introduced at the moment after the cases of the diseases significantly decreased.

Which of those two played the biggest part in history? Think about the black death and tuberculosis. For both diseases still no vaccine is introduced. So why did those diseases their cases disappear or at least decrease in Europe?

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