Dr. Jen: Why are people NOT getting vaccinated?

It's been more than six months since the first COVID-19 vaccinations began. Infections around the United States have been on the decline and much of the country has returned to mostly normal life. But COVID variants still present a threat as vaccination rates slow. Who remains unvaccinated and why?

ABC chief medical correspondent Dr. Jen Ashton explains in the latest episode of "On Call with Dr. Jen."