Health-care workers receiving COVID-19 vaccine (IMAGE)

WashU Medicine

Health-care workers receiving COVID-19 vaccine

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Health-care workers received the first doses of the COVID-19 vaccine in December 2020. A study by researchers at Washington University School of Medicine in St. Louis has found that repeat vaccination with updated versions of the COVID-19 vaccine promotes the development of antibodies that neutralize a wide range of variants of the virus that causes COVID-19, as well as related coronaviruses.

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Matt Miller/Washington University

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