This winter’s brutal flu season shows no signs of slowing, and COVID-19 rates are again on the rise. Yet new findings from U-M’s National Poll on Healthy Aging show that vaccination against both viruses is lagging among adults 50 and older. As a vulnerable population, why aren’t more older adults getting flu or COVID-19 shots? In this research spotlight from the Institute for Healthcare Policy and Innovation, results from a recent national survey reveal the key reasons behind undervaccination.