What to Do About Schools

The U.S. is struggling to monitor Covid-19 variants, a key part of watching for the emergence of dangerous mutations that might spread quickly, evade vaccines or kill more infected people. The country ranks 32nd in the world for the number of tests it’s done to detect mutations p ...  Show more

Rochelle Walensky, the new leader of the Centers for Disease Control and Prevention, faces two difficult missions at the same time: Leading the agency’s Covid-19 response and trying to restore the agency’s stature, post-Trump. I talked to John Tozzi reports on the job ahead for W ...  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