Hopefully we don't have a redux of the Swine Flu vaccine. It was also in an election year, odd similarities to be sure....
https://www.history.com/news/swine-flu-rush-vaccine-election-year-1976
"....public confidence was further shaken when dozens of vaccine recipients were diagnosed with Guillain-Barré syndrome, a rare neurological disorder causing muscle weakness, tingling in the extremities and paralysis."