COVID News

Vaccinated People Are Immune Imprinted, Have Unusual Response to COVID-19 mRNA Boosters

Immune imprinting occurs when previous exposures leave such a strong immune memory that the body continues to produce antibodies targeting the past experience.
Vaccinated People Are Immune Imprinted, Have Unusual Response to COVID-19 mRNA Boosters
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Marina Zhang
|Updated:
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People who have taken at least three doses of the original version of the COVID-19 mRNA vaccine have been strongly immune imprinted, a study by the University of Washington (UW) found.

Consequently, when vaccinated with the most recent COVID-19 XBB.1.5 mRNA boosters, recipients produced few to no antibodies specific to the XBB.1.5 variant.

Marina Zhang
Marina Zhang
Author
Marina Zhang is a health reporter for The Epoch Times. She covers both health news and in-depth features on emerging health issues. Marina holds a bachelor's degree in biomedicine from the University of Melbourne. Contact her at [email protected].