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Seroprevalence of anti-SARS-CoV-2 IgG at the first epidemic peak in French Guiana, July 2020

Abstract : Background While Latin America has been heavily affected by the pandemic, only a few seroprevalence studies have been conducted there during the first epidemic wave in the first half of 2020. Methodology/Principal findings A cross-sectional survey was performed between 15 July 2020 and 23 July 2020 among individuals who visited 4 medical laboratories or 5 health centers for routine screening or clinical management, with the exception of symptomatic suggestive cases of covid-19. Samples were screened for the presence of anti-SARS-CoV-2 IgG directed against domain S1 of the SARS-CoV-2 spike protein using the anti-SARS-CoV-2 enzyme-linked immunosorbent assay (ELISA) from Euroimmun. Conclusions/Significance The overall seroprevalence was 15.4% [9.3%-24.4%] among 480 participants, ranging from 4.0% to 25.5% across the different municipalities. The seroprevalence did not differ according to gender (p = 0.19) or age (p = 0.51). Among SARS-CoV-2 positive individuals, we found that 24.6% [11.5%-45.2%] reported symptoms consistent with COVID-19. Our findings revealed high levels of infection across the territory but a low number of resulting deaths, which can be explained by French Guiana’s young population structure.
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Contributor : Cécile Limouzin Connect in order to contact the contributor
Submitted on : Wednesday, January 5, 2022 - 2:54:47 PM
Last modification on : Wednesday, September 28, 2022 - 8:30:25 AM
Long-term archiving on: : Wednesday, April 6, 2022 - 8:36:32 PM


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Claude Flamand, Christelle Alves Sarmento, Antoine Enfissi, Sarah Bailly, Emmanuel Beillard, et al.. Seroprevalence of anti-SARS-CoV-2 IgG at the first epidemic peak in French Guiana, July 2020. PLoS Neglected Tropical Diseases, 2021, 15 (11), pp.e0009945. ⟨10.1371/journal.pntd.0009945⟩. ⟨pasteur-03512716⟩



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