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Where Did The Flu Go? Homebound Kids Shape A Mild Season

Last year, a record number of people got flu shots. But medical experts say kids keeping their social distance during the coronavirus pandemic has made the biggest difference for a mild flu season.
Genaro Molina
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Los Angeles Times via Getty Images
Last year, a record number of people got flu shots. But medical experts say kids keeping their social distance during the coronavirus pandemic has made the biggest difference for a mild flu season.

Yet this year's flu season has been exceptionally mild.

During the 2019-2020 flu season, some 400,000 people were hospitalized for the flu, with 22,000 deaths, according to the Centers for Disease Control and Prevention. Last week — just ahead of the season's usual peak — the CDC had recorded just 165 flu-related hospitalizations since October.

"Flu has been essentially nonexistent," Dr. William Schaffner, infectious disease specialist at Vanderbilt University, said in an interview with Weekend Edition.

For Schaffner, the result highlights a distinction in the nature of transmission among the respiratory viruses.

"COVID can be transmitted very readily among adults — very contagious — but flu, I think, really needs children to spread it around amongst themselves and then seed, if you will, the adults in their home and their neighbors," he said.

Since so many dodged the flu this season, Schaffner warns that the virus could hit people harder than normal this fall — when health professionals predictthe country will get closer to normalcy.

"Many of us didn't get a boost from encountering the flu virus this year, and so we haven't had a chance to build up our antibodies," he said. "All the more important to get vaccinated this fall."

Samantha Balaban, Ed McNulty and Martha Ann Overland produced and edited the audio version of this story.

Copyright 2024 NPR

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Lulu Garcia-Navarro is the host of Weekend Edition Sunday and one of the hosts of NPR's morning news podcast Up First. She is infamous in the IT department of NPR for losing laptops to bullets, hurricanes, and bomb blasts.
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