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dc.contributor.authorRandazzo, Walteres_ES
dc.contributor.authorTruchado, Pilares_ES
dc.contributor.authorCuevas Ferrando, Enrices_ES
dc.contributor.authorSimón, Pedroes_ES
dc.contributor.authorAllende, Anaes_ES
dc.contributor.authorSánchez Moragas, Gloriaes_ES
dc.date.accessioned2020-05-20T09:37:34Z-
dc.date.available2020-05-20T09:37:34Z-
dc.date.issued2020-05-16-
dc.identifier.citationWater Research 181: 115942 (2020)es_ES
dc.identifier.issn0043-1354-
dc.identifier.urihttp://hdl.handle.net/10261/211707-
dc.descriptionPreprint disponible en http://hdl.handle.net/10261/209125es_ES
dc.description.abstractSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused more than 200,000 reported COVID-19 cases in Spain resulting in more than 20,800 deaths as of April 21, 2020. Faecal shedding of SARS-CoV-2 RNA from COVID-19 patients has extensively been reported. Therefore, we investigated the occurrence of SARS-CoV-2 RNA in six wastewater treatments plants (WWTPs) serving the major municipalities within the Region of Murcia (Spain), the area with the lowest COVID-19 prevalence within Iberian Peninsula. Firstly, an aluminum hydroxide adsorption-precipitation concentration method was validated using a porcine coronavirus (Porcine Epidemic Diarrhea Virus, PEDV) and mengovirus (MgV). The procedure resulted in average recoveries of 10 ± 3.5% and 10 ± 2.1% in influent water (n = 2) and 3.3 ± 1.6% and 6.2 ± 1.0% in effluent water (n = 2) samples for PEDV and MgV, respectively. Then, the method was used to monitor the occurrence of SARS-CoV-2 from March 12 to April 14, 2020 in influent, secondary and tertiary effluent water samples. By using the real-time RT-PCR (RT-qPCR) Diagnostic Panel validated by US CDC that targets three regions of the virus nucleocapsid (N) gene, we estimated quantification of SARS-CoV-2 RNA titers in untreated wastewater waters of 5.4 ± 0.2 log10 genomic copies/L on average. Two secondary water samples resulted positive (2 out of 18) and all tertiary water samples tested as negative (0 out 12). This environmental surveillance data were compared to declared COVID-19 cases at municipality level, revealing that members of the community were shedding SARS-CoV-2 RNA in their stool even before the first cases were reported by local or national authorities in many of the cities where wastewaters have been sampled. The detection of SARS-CoV-2 in wastewater in early stages of the spread of COVID-19 highlights the relevance of this strategy as an early indicator of the infection within a specific population. At this point, this environmental surveillance could be implemented by municipalities right away as a tool, designed to help authorities to coordinate the exit strategy to gradually lift its coronavirus lockdown.es_ES
dc.description.sponsorshipThe study was funded by the projects 20180705 of ESAMUR, 202070E101 of CSIC and “VIRIDIANA” AGL2017-82909 (AEI/FEDER, UE) of MICIU. WR is supported by APOSTD/2018/150 postdoctoral fellowship of Generalitat Valenciana. EC-F is recipient of a predoctoral contract from the MICINN, Call 2018. PT is holder of the RYC2018- 025510-I Ramón y Cajal contract from the MICIU.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationMICIU/ICTI2017-2020/AGL2017-82909es_ES
dc.relationAGL2017-82909/AEI/10.13039/501100011033es_ES
dc.relationMICIU/ICTI2017-2020/RYC2018- 025510-Ies_ES
dc.relationRYC2018- 025510-I/AEI/10.13039/501100011033es_ES
dc.relation.isversionofPostprintes_ES
dc.rightsembargoedAccesses_ES
dc.subjectEnvironmental surveillancees_ES
dc.subjectInfluent wateres_ES
dc.subjectReclaimed wateres_ES
dc.subjectConcentration protocoles_ES
dc.subjectRNA viruses_ES
dc.subjectCoronaviruses_ES
dc.titleSARS-CoV-2 RNA in wastewater anticipated COVID-19 occurrence in a low prevalence areaes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.watres.2020.115942-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.watres.2020.115942es_ES
dc.identifier.e-issn1879-2448-
dc.embargo.terms2022-05-16es_ES
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.contributor.funderAgencia Estatal de Investigación (España)es_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100011033es_ES
Appears in Collections:(CEBAS) Artículos
(VICYT) Colección Especial COVID-19
(IATA) Artículos
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