Here's PRECISELY the history you are looking for. They pulled this vaccine after just a couple dozen deaths, and we have had untold THOUSANDS of deaths with the Covid vaccine:
60 Minutes Swine Flu 1976 GOVT Vaccines & Consequences (rumble.com)
60 Minutes Swine Flu 1976 GOVT Vaccines & Consequences (rumble.com)
In all Fairness, the Knowledge You had in 1976 was [LESS THAN] the Knowledge You have Today!
I would like to think Chemistry and Biology [Mathematics] would also be better Formulas Today versus what they understood in 1976.