The airline changed its announcement about the end of the federal mask mandate after a firestorm of criticism from public health experts who called it inaccurate and misleading.
HIV remains a problem in the U.S. because people don't use life-saving prevention and treatments. COVID is heading down the same path. Here are insights from people fighting on the frontlines of HIV.
The company says this version targets both the original coronavirus and the beta variant, and appears to provide broader and longer-lasting protection against different strains, including omicron.
Ukraine's president says the Russian offensive in the east has begun. A federal judge has struck down the transportation mask mandate. Dozens of Chinese cities are in some kind of COVID lockdown.
The research is clear that air exchange and filtration curb the spread of COVID and other diseases, but upgrading systems is expensive, and there is little federal authority over indoor air quality.
People who sustain a concussion can develop an unusual hearing problem. Their ears work fine, but their brain struggles to process sounds. (Story first aired on All Things Considered on Nov. 3, 2021.)
Russia and Ukraine produce roughly 14% of the world's wheat supply, according to the United Nations, and the war has resulted in soaring food prices and fears about food security globally.