JAMA
January 11, 2022, Vol 327, No. 2, Pages 105-191
https://jamanetwork.com/journals/jama/currentissue

Antibody Response and Variant Cross-Neutralization After SARS-CoV-2 Breakthrough Infection
Timothy A. Bates, BSc; Savannah K. McBride, BSc; Bradie Winders, CNA; et al.
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JAMA. 2022;327(2):179-181. doi:10.1001/jama.2021.22898
This study of fully vaccinated health care workers examines antibody levels and variant cross-neutralization after COVID-19 breakthrough infection.