Note that this is not due to polio, and as such any argument that it's caused by the polio vaccine (a flawed argument to begin with, as the live-attenuated vacc

Note that this is not due to polio, and as such any argument that it's caused by the polio vaccine (a flawed argument to begin with, as the live-attenuated vaccine is no longer in routine use in the U.S.) is entirely spurious. Polio-like paralysis can be caused by a number of viruses, including non-polio enteroviruses, and these do cause disease regularly - not quite at this scale, but also not astonishingly rare.