The Credit goes the medical and science folks (and the pharmaceutical companies) who developed the vaccines for COVID-19. Former President Trump deserves credit and recognition for getting the vaccine out and available QUICKLY and safely.
IN the meantime, President Biden and his staff failed to do a good job regarding COVID:
A year ago, Biden unveiled a 200-page plan to defeat covid. He has struggled to deliver on some key promises.
The U.S. would have been better prepared for virus curveballs if the administration had moved more quickly to boost testing, acquire real-time data on the virus and convey risks more clearly, say some co-authors, advisers
(....)
Yet after a period when Bidenās vaccination focus appeared to be paying off, many of those problems have roared back as the delta variant, and then omicron, tore across the country. Once again, doctors and nurses are pleading for relief, as hospitalizations set new daily records and more facilities move to ration care. Many Americans say theyāre confused by government pronouncements and losing faith in the agencies handling the response. Essential workers in packing plants, food service and emergency response say they still feel endangered by a virus that Biden had vowed to control.
https://www.washingtonpost.com/health/2022/01/18/biden-covid-response-assessment/
and this is from the Washington Post, of all print media sources.