Vaccines are an incredible medical breakthrough. Because of vaccines, certain illnesses have been nearly eradicated. Life threatening illnesses are reduced to survivable maladies. So... credit where credit is due— who kicked off vaccinations for the masses? How did it spread? And how did we do it before syringes?

CW: Disease, Physical Symptoms of Disease (scarring, sores, blood, etc), Racism, Explosives

Music provided by Dark Fantasy Studios. [License]

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