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Volume 31, Number 5—May 2025
Dispatch

Self-Reported SARS-CoV-2 Infections among National Blood Donor Cohort, United States, 2020–2022

Bryan R. SpencerComments to Author , Akintunde Akinseye, Eduard Grebe, Mars Stone, Karla G. Zurita, David J. Wright, James M. Haynes, Susan L. Stramer, and Michael P. Busch
Author affiliation: American Red Cross, Dedham, Massachusetts, USA (B.R. Spencer, J.M. Haynes); Westat, Rockville, Maryland, USA (A. Akinseye, D.J. Wright); Vitalant Research Institute, San Francisco, California, USA (E. Grebe, M. Stone, K.G. Zurita, M.P. Busch); Infectious Disease Consultant, North Potomac, Maryland, USA (S.L. Stramer)

Main Article

Table 2

Self-reported SARS-CoV-2 first and second infections by quarter among national blood donor cohort, United States, 2020–2022*

Infection measure 2020
 2021
 2022
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
First infection count
 549
 432
 1,043
 4,684
1,242
 170
 1,494
 3,102
3,822
 3,807
 3,672
 1,956
At-risk population
 66,274
 65,725
 65,293
 64,250
59,566
 58,324
 58,154
 56,660
52,913
 43,587
 38,995
 30,133
First infection per 1,000 population at risk, rate
 8.3
 6.6
 16.0
 72.9
20.9
 2.9
 25.7
 54.8
72.2
 87.3
 94.2
 64.9
Second infection count
 0
 1
 6
 33
50
 29
 68
 322
841
 545
 717
 476
At-risk population
 0
 549
 980
 2,017
6,668
 7,860
 8,001
 9,427
12,050
 13,022
 15,935
 16,159
Second infection per 1,000 population at risk, rate 0 1.8 6.1 16.4 7.5 3.7 8.5 34.2 69.8 41.9 45.0 29.5

*Q, quarter.

Main Article

Page created: March 03, 2025
Page updated: April 14, 2025
Page reviewed: April 14, 2025
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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