Six months into the coronavirus pandemic, the U.S. is still hamstrung by testing efforts. There are not enough Covid-19 tests. But even when there are tests available, they aren’t always reliable. Kristen V. Brown reports on the free-for-all that U.S. coronavirus testing has beco ...Show more
What We Can't Know About a Vaccine
The race for a COVID-19 vaccine entered a new phase recently. Four different vaccine candidates, developed by Moderna, Pfizer, BionTech and Johnson & Johnson, entered final-stage trials, with two others close behind. But we won’t know exactly how these four vaccines work for mont ...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