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A Cross-Sectional Study of Exposure Factors Associated with Seropositivity for SARS-CoV-2 Antibodies during the Second Epidemic Wave among a Sample of the University of Corsica (France)

Author

Listed:
  • Dorine Decarreaux

    (Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France
    INSERM, Sorbonne Université, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESP, 75012 Paris, France
    Unité des Virus Émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France)

  • Julie Sevila

    (Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France)

  • Shirley Masse

    (Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France)

  • Lisandru Capai

    (Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France)

  • Toscane Fourié

    (Unité des Virus Émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France)

  • Paola Mariela Saba Villarroel

    (Unité des Virus Émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France)

  • Abdennour Amroun

    (Unité des Virus Émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France)

  • Elif Nurtop

    (Unité des Virus Émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France)

  • Matthieu Vareille

    (Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France)

  • Marie Pouquet

    (INSERM, Sorbonne Université, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESP, 75012 Paris, France)

  • Thierry Blanchon

    (INSERM, Sorbonne Université, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESP, 75012 Paris, France)

  • Xavier de Lamballerie

    (Unité des Virus Émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France)

  • Rémi Charrel

    (Unité des Virus Émergents, Aix Marseille University, IRD 190, INSERM U1207, IHU Méditerranée Infection, 13005 Marseille, France)

  • Alessandra Falchi

    (Laboratoire de Virologie, Université de Corse Pascal Paoli, UR7310 Bioscope, 20250 Corte, France)

Abstract

This study aimed to estimate the seroprevalence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection within the staff and student populations of the University of Corsica (France) during the second wave of the epidemic. Methods: A cross-sectional survey was conducted from 23 November 2020 to 31 January 2021. The participants underwent blood sampling using a fingerstick procedure and completed an anonymized questionnaire. Sera were tested for the presence of anti-SARS-CoV-2 IgG (ELISA-S) and, if positive, with an in-house virus neutralization test (VNT). Results: A total of 418 persons were included in the study. The overall seroprevalence was 12.8% (95% confidence interval (CI), 9.8–16.6%). A total of 15 (31%) of the 49 individuals who had a positive ELISA-S also had a positive VNT. Seropositivity was associated with living at the city campus during the week and on weekends (OR = 3.74 [1.40–12.00]), using public transportation/carpooling (OR = 2.00 [1.01–4.02]), and being in contact with a person who tested positive for SARS-CoV-2 (OR = 2.32 [1.20–4.40]). The main symptoms associated with seropositivity were “having had an acute respiratory infection” (OR = 3.05 [1.43–6.43]) and “experiencing loss of smell” (OR = 16.4 [5.87–50.7]). Conclusion: These results could be useful for SARS-CoV-2 prevention and control on university campuses.

Suggested Citation

  • Dorine Decarreaux & Julie Sevila & Shirley Masse & Lisandru Capai & Toscane Fourié & Paola Mariela Saba Villarroel & Abdennour Amroun & Elif Nurtop & Matthieu Vareille & Marie Pouquet & Thierry Blanch, 2022. "A Cross-Sectional Study of Exposure Factors Associated with Seropositivity for SARS-CoV-2 Antibodies during the Second Epidemic Wave among a Sample of the University of Corsica (France)," IJERPH, MDPI, vol. 19(4), pages 1-12, February.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:4:p:1953-:d:745998
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    References listed on IDEAS

    as
    1. Jose Tuells & Cecilia M. Egoavil & María Angeles Pena Pardo & Ana C. Montagud & Emilia Montagud & Pablo Caballero & Pedro Zapater & Joan Puig-Barberá & Jose Antonio Hurtado-Sanchez, 2021. "Seroprevalence Study and Cross-Sectional Survey on COVID-19 for a Plan to Reopen the University of Alicante (Spain)," IJERPH, MDPI, vol. 18(4), pages 1-16, February.
    2. Véronique Renault & Marie-France Humblet & Gianni Parisi & Anne-Françoise Donneau & Fabrice Bureau & Laurent Gillet & Sébastien Fontaine & Claude Saegerman, 2021. "The First Random Observational Survey of Barrier Gestures against COVID-19," IJERPH, MDPI, vol. 18(19), pages 1-13, September.
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