COVID-19 booster shots might offer better protection than the first two shots, study says

An employee carries a box of Moderna COVID-19 vaccine booster doses at the Legacy Events Center in Farmington on Monday, Oct. 25, 2021. But a small new study suggests that protection against COVID-19 may last longer after the COVID-19 booster shot than after the original two-dose regimen.
Kristin Murphy, Deseret News

The Centers for Disease Control and Prevention and the Food and Drug Administration both approved COVID-19 vaccine booster shots for all Americans late last week, hoping the vaccine will offer protection against the coronavirus.

But a small new study suggests that protection against COVID-19 may last longer after the COVID-19 booster shot than after the original two-dose regimen.

Do COVID-19 boosters offer better protection?

Per Reuters, the new study revealed vaccine responses in 33 participants before and after their vaccine booster shots.

This could mean the booster shot might offer better protection than the original round of shots.

The study has been published on medRxiv. It has not been peer-reviewed.

When does the booster shot start to work?

Dr. Dan Barouch, director of the Center for Virology and Vaccine Research at Beth Israel Deaconess Medical Center in Boston, told ABC News that the booster shot isn’t immediately effective. It might take some time to work.

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