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Serologic Surveillance for SARS-CoV-2 Infection among Wild Rodents, Europe

Vincent Bourret et al. Emerg Infect Dis. 2022 Dec.

Abstract

We report results from serologic surveillance for exposure to SARS-CoV-2 among 1,237 wild rodents and small mammals across Europe. All samples were negative, with the possible exception of 1. Despite suspected potential for human-to-rodent spillover, no evidence of widespread SARS-CoV-2 circulation in rodent populations has been reported to date.Esitämme tulokset serologisesta tutkimuksesta, jossa seulottiin SARS-CoV-2 tartuntojen varalta 1,237 luonnonvaraista jyrsijää ja piennisäkästä eri puolilta Eurooppaa. Kaikki näytteet olivat negatiivisia, yhtä näytettä lukuun ottamatta. SARS-CoV-2:n läikkymisen ihmisistä jyrsijöihin on arveltu olevan mahdollista, mutta todisteet viruksen laajamittaisesta leviämisestä jyrsijäpopulaatioissa puuttuvat.

Keywords: COVID-19; Europe; Rodentia; SARS-CoV-2; coronavirus disease; respiratory infections; serologic tests; serosurveillance; severe acute respiratory infection coronavirus 2; viruses; zoonoses.

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Figures

Figure
Figure
Sampling of various areas in Europe to detect SARS-CoV-2 antibody response in wild rodents. A) Location of sampling areas. Colors indicate the proportion of samples taken in the 2 habitat types (green: forests; blue: urban parks) and symbol size and numbers indicate sample size. Samples were taken from up to 8 different sites in each country (Appendix 1 Figure 1). B) Number of individuals sampled, by date and taxonomy. Details of sampling periods, habitats, and rodent species are provided in Appendix 1 Table 1. Details of sampling periods, habitats, and rodent species are provided in Appendix 2.
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