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New York Times

Annual Booster Shots for COVID Could Be Needed

Scientists say annual revaccinations may also be necessary to target variant strains of SARS-CoV-2  

Scientists have long said that giving people a single course of a Covid-19 vaccine might not be sufficient in the long term, and that booster shots and even annual vaccinations might prove necessary.

In recent days, that proposition has begun to sound less hypothetical.

Vaccine makers are getting a jump-start on possible new rounds of shots, although they sound more certain of the need for boosters than independent scientists have.

Check out this story in the New York Times.