A universal influenza vaccine may be one step closer, bringing long-lasting protection against flu
- Written by Patricia L. Foster, Professor Emerita of Biology, Indiana University
Wouldn't it be nice if one shot could protect you for life?Bryan R. Smith/AFP via Getty ImagesA bad year for flu can mean tens of thousands of deaths in the U.S. Getting vaccinated can protect you from influenza, but you have to get the shot every year to catch up with the changing virus and to top up the short-lived immunity the vaccine provides....

