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Evidence of antibodies against SARS-CoV-2 in wild mustelids from Brittany (France)

Bernard Davoust, Patrick Guérin, Nicolas Orain, Camille Fligny, Fabien Flirden, Florence Fenollar, Oleg Mediannikov, Sophie Edouard
doi: https://doi.org/10.1101/2022.01.20.477038
Bernard Davoust
aAix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
bIHU Méditerranée Infection, Marseille, France
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Patrick Guérin
cOpenHealth Company, Vannes, France
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Nicolas Orain
bIHU Méditerranée Infection, Marseille, France
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Camille Fligny
aAix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
bIHU Méditerranée Infection, Marseille, France
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Fabien Flirden
aAix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
bIHU Méditerranée Infection, Marseille, France
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Florence Fenollar
bIHU Méditerranée Infection, Marseille, France
dAix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
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Oleg Mediannikov
aAix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
bIHU Méditerranée Infection, Marseille, France
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Sophie Edouard
aAix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
bIHU Méditerranée Infection, Marseille, France
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  • For correspondence: sophie.edouard@univ-amu.fr
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ABSTRACT

In the French region of Brittany, mainly in the department of the Côtes d’Armor, during the first semester of 2021, seropositivity for SARS-CoV-2 was detected in five wild mustelids out of 32 animals tested. Anti-SARS-CoV-2 IgG against at least four out of five recombinant viral proteins (S1 receptor binding domain, nucleocapsid, S1 subunit, S2 subunit and spike) were detected using automated western blot technique in three martens (Martes martes) and two badgers (Meles meles). An ELISA test also objectified seropositivities. Although the 171 qPCRs carried out on samples from the 33 mustelids were all negative, these preliminary results (observational study) nevertheless bear witness to infections of unknown origin. The epidemiological surveillance of Covid-19 in wildlife must continue, in particular with the tools of efficient serology.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted January 20, 2022.
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Evidence of antibodies against SARS-CoV-2 in wild mustelids from Brittany (France)
Bernard Davoust, Patrick Guérin, Nicolas Orain, Camille Fligny, Fabien Flirden, Florence Fenollar, Oleg Mediannikov, Sophie Edouard
bioRxiv 2022.01.20.477038; doi: https://doi.org/10.1101/2022.01.20.477038
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Evidence of antibodies against SARS-CoV-2 in wild mustelids from Brittany (France)
Bernard Davoust, Patrick Guérin, Nicolas Orain, Camille Fligny, Fabien Flirden, Florence Fenollar, Oleg Mediannikov, Sophie Edouard
bioRxiv 2022.01.20.477038; doi: https://doi.org/10.1101/2022.01.20.477038

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