Environmental biocontamination by SARS-CoV-2 Virus in the hospital setting
Background: Demonstrating the capability to isolate biological material from the environment was fundamental to supporting any transmission route. Various and inconsistent methodologies have been used to address this issue; however, the debate in scientific societies about the possibility of airborn...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-01-01
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| Series: | Current Research in Microbial Sciences |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666517425000173 |
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| author | M Espejo Mambié D San Jose-Saras C Bischofberger Valdés C Díaz-Agero Pérez JC Galán Montemayor L Martínez-García M Abreu Di-Berardino P Moreno-Nunez J Vicente-Guijarro J.M Aranaz-Andrés |
| author_facet | M Espejo Mambié D San Jose-Saras C Bischofberger Valdés C Díaz-Agero Pérez JC Galán Montemayor L Martínez-García M Abreu Di-Berardino P Moreno-Nunez J Vicente-Guijarro J.M Aranaz-Andrés |
| author_sort | M Espejo Mambié |
| collection | DOAJ |
| description | Background: Demonstrating the capability to isolate biological material from the environment was fundamental to supporting any transmission route. Various and inconsistent methodologies have been used to address this issue; however, the debate in scientific societies about the possibility of airborne transmission as a source of SARS-CoV-2 spread remained open. Objective: To analyze SARS-CoV-2 contamination in the air and on surfaces in a hospital setting during the COVID-19 pandemic. Methods: This study involved air and surface sampling in the emergency, hospitalization, and intensive care unit areas of the Ramón y Cajal University Hospital. A consistent methodology was used for all samples, and clinical and environmental parameters and characterization of each location were recorded. Results: A total of 234 samples were collected, comprising 160 surface samples and 74 air samples, of which 6.84 % tested positive (13/160 surface samples and 3/74 air samples). High-contact surfaces had the highest proportion of positive samples (12/13). All positive air samples were identified within 2 m of patients who had recently developed symptoms (<5 days). High dependency and elevated temperatures seemed to indicate a higher risk of environmental biocontamination. Additionally, there was a higher risk of contamination in the intensive care units than in the hospitalization or emergency units. |
| format | Article |
| id | doaj-art-bfc94e9e6b674ba7a575b6d775c4d783 |
| institution | OA Journals |
| issn | 2666-5174 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Current Research in Microbial Sciences |
| spelling | doaj-art-bfc94e9e6b674ba7a575b6d775c4d7832025-08-20T02:09:11ZengElsevierCurrent Research in Microbial Sciences2666-51742025-01-01810035510.1016/j.crmicr.2025.100355Environmental biocontamination by SARS-CoV-2 Virus in the hospital settingM Espejo Mambié0D San Jose-Saras1C Bischofberger Valdés2C Díaz-Agero Pérez3JC Galán Montemayor4L Martínez-García5M Abreu Di-Berardino6P Moreno-Nunez7J Vicente-Guijarro8J.M Aranaz-Andrés9Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Biología de Sistemas, Alcalá de Henares, Spain; Asuncion Klinika, Tolosa, Guipuzcoa, Spain; Servicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, SpainServicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain; Facultad de Ciencias de la Salud, Universidad Internacional de La Rioja, Logroño, La Rioja, Spain; Corresponding author.Servicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, SpainServicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, SpainInstituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain; Servicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid. Spain; Servicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid. SpainServicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Servicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid. Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, SpainServicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid. SpainUniversidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Biología de Sistemas, Alcalá de Henares, Spain; Servicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain; Facultad de Ciencias de la Salud, Universidad Internacional de La Rioja, Logroño, La Rioja, SpainServicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain; Facultad de Ciencias de la Salud, Universidad Internacional de La Rioja, Logroño, La Rioja, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, SpainServicio de Medicina Preventiva y Salud Pública, Hospital Universitario Ramón y Cajal, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain; Facultad de Ciencias de la Salud, Universidad Internacional de La Rioja, Logroño, La Rioja, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, SpainBackground: Demonstrating the capability to isolate biological material from the environment was fundamental to supporting any transmission route. Various and inconsistent methodologies have been used to address this issue; however, the debate in scientific societies about the possibility of airborne transmission as a source of SARS-CoV-2 spread remained open. Objective: To analyze SARS-CoV-2 contamination in the air and on surfaces in a hospital setting during the COVID-19 pandemic. Methods: This study involved air and surface sampling in the emergency, hospitalization, and intensive care unit areas of the Ramón y Cajal University Hospital. A consistent methodology was used for all samples, and clinical and environmental parameters and characterization of each location were recorded. Results: A total of 234 samples were collected, comprising 160 surface samples and 74 air samples, of which 6.84 % tested positive (13/160 surface samples and 3/74 air samples). High-contact surfaces had the highest proportion of positive samples (12/13). All positive air samples were identified within 2 m of patients who had recently developed symptoms (<5 days). High dependency and elevated temperatures seemed to indicate a higher risk of environmental biocontamination. Additionally, there was a higher risk of contamination in the intensive care units than in the hospitalization or emergency units.http://www.sciencedirect.com/science/article/pii/S2666517425000173Coronavirus diseaseCovid-19HospitalMicrobiologyAirborne transmission |
| spellingShingle | M Espejo Mambié D San Jose-Saras C Bischofberger Valdés C Díaz-Agero Pérez JC Galán Montemayor L Martínez-García M Abreu Di-Berardino P Moreno-Nunez J Vicente-Guijarro J.M Aranaz-Andrés Environmental biocontamination by SARS-CoV-2 Virus in the hospital setting Current Research in Microbial Sciences Coronavirus disease Covid-19 Hospital Microbiology Airborne transmission |
| title | Environmental biocontamination by SARS-CoV-2 Virus in the hospital setting |
| title_full | Environmental biocontamination by SARS-CoV-2 Virus in the hospital setting |
| title_fullStr | Environmental biocontamination by SARS-CoV-2 Virus in the hospital setting |
| title_full_unstemmed | Environmental biocontamination by SARS-CoV-2 Virus in the hospital setting |
| title_short | Environmental biocontamination by SARS-CoV-2 Virus in the hospital setting |
| title_sort | environmental biocontamination by sars cov 2 virus in the hospital setting |
| topic | Coronavirus disease Covid-19 Hospital Microbiology Airborne transmission |
| url | http://www.sciencedirect.com/science/article/pii/S2666517425000173 |
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