> Polio killed just about everyone that got it, or left them with crippling nerve damage. That's simply not true. Polio is asymptomatic or a mild flu-like ill

> Polio killed just about everyone that got it, or left them with crippling nerve damage. That's simply not true. Polio is asymptomatic or a mild flu-like illness for the vast majority of people infected (still a major public health disaster). This is well known and, sadly, conclusively demonstrated during the Cutter Incident, where live virus was accidentally injected, due to a manufacturing defect. > The mistake produced 120,000 doses of polio vaccine that contained live polio virus. Of children who received the vaccine, 40,000 developed abortive poliomyelitis (a form of the disease that does not involve the central nervous system), 56 developed paralytic poliomyelitis—and of these, five children died from polio. https://en.m.wikipedia.org/wiki/Cutter_Laboratories https://en.m.wikipedia.org/wiki/Cutter_Laboratories