The flu shot is different this year, thanks to COVID

A strain of influenza appears to have disappeared from the planet since COVID. As a result, U.S. flu vaccines have been redesigned.

The flu shot is different this year, thanks to COVID
People getting the flu shot this year will be vaccinated against three commonly circulating strains instead of four, after one went extinct during the pandemic.

A strain of influenza appears to have disappeared from the planet since COVID. As a result, U.S. flu vaccines have been redesigned.

(Image credit: Mark J. Terrill)