The virus that causes COVID-19 continues to mutate. Scientists say that's likely to continue indefinitely, and the virus will ...

If you’ve battled the sniffles (or worse) this cold and flu season, you may wonder if zinc-rich foods can lend a helping hand ...

New research suggests that receiving multiple doses of a vaccine in the same limb leads to faster antibody development, an ...

One avenue for new vaccine development is mucosal vaccines. In theory, dosing the vaccine directly into the respiratory tract ...

Science correspondent Allan Blackman joins Kathryn to talk about a new part of the immune system that's been discovered and how it could be a goldmine of potential antibiotics. NASA has switched off ...

Portuguese researchers identified a type of immune cell that appears to travel to the pancreas to stimulate glucagon ...

Your immune system harbors a lifetime's worth of information about threats it's encountered—a biological Rolodex of baddies.