RELATED: Facing unpredictable winter, doctors urge Americans to get a flu shots soon"People are sick to death of hearing about having to roll on out and get vaccines of any sort," said flu specialist Richard Webby of St.
Jude Children’s Research Hospital in Memphis.Anthem Inc. signage advertising free flu shot vaccinations is displayed outside a YMCA location in Los Angeles, California, U.S., on Saturday, Sept.
26, 2020. (Photographer: Patrick T. Fallon/Bloomberg via Getty Images) Yet after 18 months of little influenza exposure, "we probably as a population don’t have as much immunity against this virus as we typically might," Webby said.