Sky Vaccines: Ridding Raccoons Of Rabies En M...

Until this week, the United States hadn’t approved a new sunscreen ingredient in over 20 years. That changed Tuesday, when the FDA approved a new chemical for U.S. sunscreens. It’s called bemotrizinol, and NPR science correspondent Maria Godoy joins us to tell us all about it — i ...  Show more

Every year, tens of millions of people in the U.S. get the flu vaccine. That’s because the virus changes year-to-year and protection only lasts around six months. Adolfo Garcia-Sastre wants to change that. He’s one scientist working on a universal flu vaccine that could provide d ...  Show more

More than 25 million vaccines have been distributed by the federal government, but only slightly more than one-third of those have made it into peoples' arms. Vaccine mega-sites are opening in major cities around the country as local officials try to speed up vaccination.There's ...  Show more

On the same day the COVID-19 death toll surpassed 300,000 in the United States, the first vaccines are being administered, finally giving millions of Americans hope for a better future and a return to normalcy. We explore how officials expect to deliver a safe and effective vacci ...  Show more

As the Pfizer-BioNTech vaccine rolls out across the country, and other vaccines await imminent regulatory approval, many public health experts are focusing on the issue of vaccine hesitancy. Canada's Chief Public Health Officer Dr. Theresa Tam has spoken out about the "moveable m ...  Show more

Until now, the fastest vaccine ever made - for mumps - took four years. And while our current effort to develop a covid-19 vaccine involves thousands of people working around the clock, the mumps vaccine was developed almost exclusively by one person: Maurice Hilleman. Hillema ...