Introducing: Breakthrough

With a loss of smell and a high fever, New Yorker Fiona Lowenstein had a classic case of Covid-19 before she knew what a classic Covid case was. But there was more she didn't know: she was also about to join a burgeoning group we now know as “long haulers.” On the first episode o ...  Show more

In a secure air-locked chamber in the world’s largest research hospital, Dan Chertow and a half-dozen other scientists in astronaut-inspired protective gear are carrying out a microscopic search inside Covid-19 victims to try to unlock one of the pandemic’s biggest and most distu ...  Show more

Several vaccine companies have announced promising early evidence that their vaccines are effective at preventing symptoms of a coronavirus infection. So what comes next? CNN Chief Medical Correspondent Dr. Sanjay Gupta talks to vaccine creator and virology and immunology expert, ...  Show more

Long Covid can ruin lives, and scientists are striving to understand the condition and beginning to get some early clues about possible treatments. While there are still more questions than answers, though, many have turned online for help. But could what they find there sometime ...  Show more

Earlier this spring, doctors around the country began to worry that fear of Covid-19 was keeping their patients away. Now, we’re starting to see the consequences of that. Today, CNN’s Chief Medical Correspondent Dr. Sanjay Gupta talks to Dr. Michelle Kittleson, a cardiologist in ...  Show more