Detection of SARS-CoV-2 in Wastewater Associated with Scientific Stations in Antarctica and Possible Risk for Wildlife

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dc.contributor.authorGonzález-Aravena, Marcelo
dc.contributor.authorGalbán-Malagón, Cristóbal
dc.contributor.authorCastro-Nallar, Eduardo
dc.contributor.authorBarriga, Gonzalo P.
dc.contributor.authorNeira, Víctor
dc.contributor.authorKrüger, Lucas
dc.contributor.authorAdell, Aiko D.
dc.contributor.authorOlivares-Pacheco, Jorge
dc.date.accessioned2024-05-28T00:48:51Z
dc.date.available2024-05-28T00:48:51Z
dc.date.issued2024-04
dc.descriptionIndexación: Scopus
dc.description.abstractBefore December 2020, Antarctica had remained free of COVID-19 cases. The main concern during the pandemic was the limited health facilities available at Antarctic stations to deal with the disease as well as the potential impact of SARS-CoV-2 on Antarctic wildlife through reverse zoonosis. In December 2020, 60 cases emerged in Chilean Antarctic stations, disrupting the summer campaign with ongoing isolation needs. The SARS-CoV-2 RNA was detected in the wastewater of several scientific stations. In Antarctica, treated wastewater is discharged directly into the seawater. No studies currently address the recovery of infectious virus particles from treated wastewater, but their presence raises the risk of infecting wildlife and initiating new replication cycles. This study highlights the initial virus detection in wastewater from Antarctic stations, identifying viral RNA via RT-qPCR targeting various genomic regions. The virus’s RNA was found in effluent from two wastewater plants at Maxwell Bay and O’Higgins Station on King George Island and the Antarctic Peninsula, respectively. This study explores the potential for the reverse zoonotic transmission of SARS-CoV-2 from humans to Antarctic wildlife due to the direct release of viral particles into seawater. The implications of such transmission underscore the need for continued vigilance and research. © 2024 by the authors.
dc.description.urihttps://www.mdpi.com/2076-2607/12/4/743
dc.identifier.citationMicroorganisms Volume 12, Issue 4April 2024 Article number 743
dc.identifier.issn2076-2607
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/57166
dc.language.isoen
dc.publisherMDPI
dc.rights.licenseAtribución 4.0 Internacional (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectAntarctic wildlife
dc.subjectAntarctica
dc.subjectCOVID-19
dc.subjectEnvironmental surveillance
dc.subjectSARS-CoV-2
dc.subjectWastewater-based epidemiology
dc.titleDetection of SARS-CoV-2 in Wastewater Associated with Scientific Stations in Antarctica and Possible Risk for Wildlife
dc.typeArtículo
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