Introducing: Doubt

Fast-moving variants of the coronavirus seen in England, South Africa and Brazil have sparked concern around the world. Researchers worry some may diminish the potency of existing vaccines and complicate efforts to escape the pandemic. As COVID-19 cases started to climb in early ...  Show more

This month marks the one-year anniversary in the U.S. of nationwide school closures. The public health measure was designed to help stem the spread of Covid-19. But in doing so, it’s had a profound effect on children. That’s in contrast to the disease itself, which rarely makes y ...  Show more

A few decades ago, nobody really questioned vaccines. They were viewed as a standard part of staying healthy and safe. Today, the number of people questioning vaccines risks prolonging a pandemic that has already killed hundreds of thousands of Americans. How we got to this momen ...  Show more

An alarming number of Americans hold negative views about vaccination. So if and when we get a Covid-19 vaccine, will people sign up to receive it? CNN’s Chief Medical Correspondent Dr. Sanjay Gupta talks with vaccine scientist Dr. Peter Hotez about the safety of vaccines. To lea ...  Show more

We are back again with the fourth (and final) episode in our series on debunking vaccine myths. In this week's episode, we focus specifically on the two COVID-19 vaccines (from Pfizer-BioNTech and Moderna). We kick things off with a discussion of the vaccine development timeline ...  Show more

Suppressing the spread of Covid-19 in the United States is going to require vaccinating 70-85% of the population. But what happens if not enough Americans voluntarily get the vaccine? CNN’s Chief Medial Correspondent Dr. Sanjay Gupta talks to Emily Largent, a lawyer and assistant ...  Show more