Racial and Workplace Disparities in Seroprevalence of SARS-CoV-2, Baton Rouge, Louisiana, USA

Emerg Infect Dis. 2021 Nov;27(1):314-317. doi: 10.3201/eid2701.203808. Epub 2020 Nov 10.


By using paired molecular and antibody testing for severe acute respiratory syndrome coronavirus 2 infection, we determined point prevalence and seroprevalence in Louisiana, USA, during the second phase of reopening. Infections were highly variable by race and ethnicity, work environment, and ZIP code. Census-weighted seroprevalence was 3.6%, and point prevalence was 3.0%.

Keywords: Baton Rouge; COVID-19; Louisiana; SARS virus; SARS-CoV-2; United States; convalescence; coronavirus disease; cross-sectional studies; healthcare disparities; prevalence; respiratory infections; seroepidemiologic studies; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • COVID-19 / blood*
  • COVID-19 / epidemiology*
  • Female
  • Humans
  • Louisiana / epidemiology
  • Male
  • Middle Aged
  • Racial Groups*
  • SARS-CoV-2*
  • Seroepidemiologic Studies
  • Socioeconomic Factors*
  • Workplace*
  • Young Adult