Progression of SARS-CoV-2 Seroprevalence in St. Louis, Missouri, through January 2021

  • Smith B
  • Janowski A
  • Fremont A
  • et al.
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Abstract

This study determined the percentage of children and adult samples from the St. Louis metropolitan area in Missouri with SARS-CoV-2 antibodies during three collection periods spanning April 2020 to January 2021. By January 2021, 20.68% of the tested individuals had antibodies. These results show the evolution of the SARS-CoV-2 pandemic in St. Louis, Missouri, and provide a snapshot of the extent of infection just prior to the start of mass vaccination.Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seropositivity was assessed for 3,066 individuals visiting hospitals in St. Louis, Missouri, during July 2020, November 2020, or January 2021. Seropositivity in children increased from 5.22% in July to 21.16% in January. In the same time frame, seropositivity among adults increased from 4.52% to 19.03%, prior to initiation of mass vaccination. IMPORTANCE This study determined the percentage of children and adult samples from the St. Louis metropolitan area in Missouri with SARS-CoV-2 antibodies during three collection periods spanning July 2020 to January 2021. By January 2021, 20.68% of the tested individuals had antibodies. These results show the evolution of the SARS-CoV-2 pandemic in St. Louis, Missouri, and provide a snapshot of the extent of infection just prior to the start of mass vaccination.

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APA

Smith, B. K., Janowski, A. B., Fremont, A. C., Adams, L. J., Dai, Y.-N., Farnsworth, C. W., … Fremont, D. H. (2021). Progression of SARS-CoV-2 Seroprevalence in St. Louis, Missouri, through January 2021. MSphere, 6(4). https://doi.org/10.1128/msphere.00450-21

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