It was the worst act of terrorism in our country's history and the deadliest day ever for first responders. Of the 2,700 people killed in New York City, more than 400 were firefighters, paramedics, and police officers. In the 19 years since, more than 200 first responders have died after a chronic illness. Learn more about what researchers are now looking for as they study the remains of ground zero.
Centers for Disease Control Director Robert Redfield said that most Americans won't receive a coronavirus vaccine until the back half of 2021. CNN's Erica Hill reports.
During a Senate committee hearing, Dr. Robert Redfield said a face mask may provide better protection against coronavirus than a vaccine. CNN's Elizabeth Cohen reports the CDC director also offered a timeline as to when a vaccine might be available to most Americans.
According to a recent Gallup Poll, four in five Americans believe it is risky to go to healthcare facilities right now. Telemedicine provides a safer alternative, but for some technology-challenged people, that might not be an option. Learn how some doctors are bringing healthcare straight to the patients who need it the most.