Submission history

Received: 21 December 2021

Accepted: 19 January 2022

Acknowledgments

We acknowledge the study participants for their generous contributions; the OHSU COVID-19 serology study team and the OHSU occupational health department for recruitment and sample acquisition; and the OHSU clinical laboratory under the direction of Dr. Donna Hansel and Xuan Qin for SARS-Co-2 testing and reporting.

Funding: This study was funded by a grant from the M.J. Murdock Charitable Trust (MEC), an unrestricted grant from the Oregon Health & Science University (OHSU) Foundation (MEC), the National Institutes of Health training grant T32HL083808 (TAB), Oregon Health & Science University Innovative IDEA grant 1018784 (FGT), and National Institutes of Health grant R01AI145835 (WBM).

Author contributions: Conceptualization: TAB, HCL, ZLL, WBM, MEC, FGT. Cohort recruitment: ZLL, DS, BW, WBM, MEC. Sample acquisition and preparation: ZLL, DXL, DS, BW, JYL, WBM, MEC. Laboratory analysis: TAB, SKM, GG. Statistical analysis and visualization: TAB, JYL. Funding acquisition: TAB, WBM, MEC, FGT. Supervision: WBM, MEC, FGT. Writing – original draft: TAB. Writing – review and editing: all authors

Competing interests: The authors declare that they have no competing interests.

Data and materials availability: All data needed to support the conclusions of the paper are available in the paper or the supplementary materials.

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