Moderna COVID-19 Vaccine Effectiveness Turns Negative Within Months: Study

Moderna COVID-19 Vaccine Effectiveness Turns Negative Within Months: Study
A nurse administers a COVID-19 booster vaccination at a COVID-19 vaccination clinic in San Rafael, Calif., on April 6, 2022. Justin Sullivan/Getty Images
Zachary Stieber
Updated:

The effectiveness of Moderna’s COVID-19 vaccine against infection turns negative over time, according to a new study that was funded by the vaccine maker.

The effectiveness of three doses—a primary series and a booster—against infection remained above 50 percent after 150 days against BA.1, a subvariant of the Omicron virus variant, researchers estimated.

Zachary Stieber
Zachary Stieber
Senior Reporter
Zachary Stieber is a senior reporter for The Epoch Times based in Maryland. He covers U.S. and world news. Contact Zachary at [email protected]
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