Lessons From Past Vaccines

The approved COVID-19 vaccines developed by Moderna and the Pfizer and BioNTech partnership use genetic material called messenger RNA to effectively transform the body’s own cells into vaccine factories. This approach is a first for vaccines. It relies on decades of clinical rese ...  Show more

Scientists have long believed the source of the pandemic can be traced back to bats. Pioneering research by an Australian veterinarian named Dr. Hume Field more than 20 years ago showed why bats are an important host of some of humanity's most feared viruses. Bloomberg senior edi ...  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