May 11, 2021, Vol 325, No. 18, Pages 1813-1912
Spike Antibody Levels of Nursing Home Residents With or Without Prior COVID-19 3 Weeks After a Single BNT162b2 Vaccine Dose
Hubert Blain, MD, PhD; Edouard Tuaillon, MD, PhD; Lucie Gamon; et al.
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JAMA. 2021;325(18):1898-1899. doi:10.1001/jama.2021.6042
This study compares IgG antibody levels after a single dose of the BNT162b2 (Pfizer-BioNTech) vaccine in nursing home residents with vs without prior COVID-19.