Immunity

How Wearing a Mask Could Help Build Immunity to COVID-19

How Wearing a Mask Could Help Build Immunity to COVID-19

People infected with SARS-CoV-2, the virus that causes COVID-19, can spread the virus when they speak, sing, cough, sneeze or even just breathe. Scientists think face masks help limit virus spread by protecting everyone else from the infected wearer. As a result, face maks are now mandatory in many cities,…

When To Get Your Flu Shot

When To Get Your Flu Shot

Photo: Justin Sullivan/Getty Images The signs are up in your doctor’s office, and your doctor might even be pushing it, too, but is it already time for a flu shot?