One year into COVID-19 in the U.S: vaccine supply, hesitancy

One year after the first COVID-19 in the U.S., over 500,000 people have died, businesses have opened and closed, and several vaccines have emerged. President Biden has set a May 1 deadline for universal vaccine access; currently, over 10 percent of the U.S. population is fully vaccinated. Caroline Chen of ProPublica has been reporting on the COVID-19 pandemic since its earliest days.