How a vaccine will make it to hard-to-reach communities

A COVID-19 vaccine may be ready for distribution as soon as this month in the U.S. for some of those who are most in need of protection against the virus. But how will a rollout look in the coming months, including for some hard-to-reach populations? Dr. Carlos del Rio, a professor of global health at Emory University School of Medicine, joins Judy Woodruff to discuss.