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Volume 29, Number 7—July 2023
Research

Trajectory and Demographic Correlates of Antibodies to SARS-CoV-2 Nucleocapsid in Recently Infected Blood Donors, United States

James M. Haynes, Roger Y. Dodd, Lauren A. Crowder, Edward P. Notari, and Susan L. StramerComments to Author 
Author affiliation: Author affiliations: American Red Cross, Rockville, Maryland, USA

Main Article

Table 1

Cohort selection process for study of trajectory and demographic correlates of antibodies to SARS-CoV-2 nucleocapsid in recently infected blood donors, United States, June 2020‒June 2021*

Characteristic
No. donors (no. donations)
Donations received during June 2020‒June 2021 2,448,127 (5,221,553)
S1 reactive tested for N antibody 1,092,736 (1,527,776)
N reactive 321,387 (475,943)
Seroconverters, N antibody reactive after N antibody nonreactive 54,414 (190,983)
Period to observed N antibody peak value <120 d from N antibody nonreactive 32,376 (126,227)
Donations with N antibody signal value reported 32,376 (89,682)
Observations at and after observed peak 32,376 (61,432)
Donors with >1 observation after observed peak 19,326 (48,382)
Observations that were valid or without apparent reinfection 19,323 (48,330)

*N, nucleocapsid; S, spike.

Main Article

Page created: April 29, 2023
Page updated: June 20, 2023
Page reviewed: June 20, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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