USF professor critical of COVID-19 vaccination rollout plan USF Public Health Professor Dr. Jay Wolfson says heâs old enough to remember when Americans got the vaccination for polio, and it did not happen overnight. and last updated 2021-01-05 17:34:55-05 TAMPA, Fla. â USF Public Health Professor Dr. Jay Wolfson says heâs old enough to remember when Americans got the vaccination for polio, and it did not happen overnight. âEven when we figured out what it was, it took another 10 years before the vaccine was available. And even then there was reluctance. But it was a huge rollout," said Wolfson.