Special Episode: Understanding Pandemics

A little known geneticist in Seattle has become something of a CSI detective, unraveling the origins of Covid 19 in the U S. Could his research hold secrets to a better understanding of the disease? Some policymakers seem to think so. Plus: today's headlines.See omnystudio.com/li ...  Show more

Covid-19 acts in a way that scientists are still trying to figure out. In some people who are infected, symptoms are mild -- like a common cold. Some are completely fine. In others, the infection can be fatal, stopping the lungs from functioning and causing the body to shut down. ...  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

Everybody hopes that the new super-charged Omicron variant of coronavirus will be less severe, but even if it is, it’s spreading so fast and infecting so many people, health services around the world could still buckle under the strain.Two years into the pandemic, Claudia Hammond ...  Show more