ArticleOpen forum infectious diseases2025
Proportions of US Blood Donors With Serological Evidence of Severe Acute Respiratory Syndrome Coronavirus 2 Infections Who Reported Survey-Based Diagnosed Infections During July 2020-December 2022.
Article in Open forum infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
The proportion of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections diagnosed by coronavirus disease 2019 (COVID-19) tests, including home antigen tests, is unknown. We detected infections among blood donors in the United States (US) by testing for nucleocapsid antibody (anti-N) seroconversion and administered a questionnaire to determine the proportion of those infections that were associated with a self-reported positive COVID-19 test. Among US blood donors with serologic evidence of SARS-CoV-2 infection who completed a survey, 47.7% reported an associated self-reported positive COVID-19 test. This proportion changed from July-December 2020 (44.9%) to July-December 2022 (54.8%). This study suggests many SARS-CoV-2 infections in adults are not diagnosed with a test.
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