5 years later, Dr. Peter Hotez on triumphs and tragedies of COVID-19

Five years after COVID-19 began its spread across the U.S., Here & Now checks in with infectious disease expert, physician and vaccine researcher Dr. Peter Hotez.

He reflects on the triumphs, like rapid vaccine development and scientific collaboration, to the tragedies, including the decision by some to not get vaccinated, which one study shows was responsible for more than 200,000 American deaths during a 15-month period from 2021 through 2022.