The two talked for more than three hours with with no cellphones, no distractions and no breaks. Here’s what they covered.

In today’s highly segmented media world, most of the people who watch and listen to me every day on CNN have already received and accepted the message about the utility of vaccines, the importance of masks and how we can all work together to put an end to this pandemic. So I realized that if I was serious about trying to communicate public health, I needed to go to a less comfortable place. I needed to go into the lion’s den and accept an invitation to sit down with Joe Rogan for more than three hours.