About The Study: This study of 18,000 residents of long-term care facilities in Israel found that those who had received a third dose (first booster dose) of the Pfizer-BioNTech vaccine had a significantly lower risk for overall SARS-CoV-2 infection, COVID-19 hospitalizations, severe disease and related deaths during the Delta variant surge compared with those who received two doses five months or longer prior to the potential exposure.
Authors: Khitam Muhsen, Ph.D., of Tel Aviv University, is the corresponding author.
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(doi:10.1001/jamanetworkopen.2022.19940)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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