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Riesenberger B, Rodriguez M, Marques L, Cervantes R, Gomes B, Dias M, Pena P, Ribeiro E, Viegas C. Filling the Knowledge Gap Regarding Microbial Occupational Exposure Assessment in Waste Water Treatment Plants: A Scoping Review. Microorganisms 2024; 12:1144. [PMID: 38930526 PMCID: PMC11205677 DOI: 10.3390/microorganisms12061144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Wastewater treatment plants (WWTPs) are crucial in the scope of European Commission circular economy implementation. However, bioaerosol production may be a hazard for occupational and public health. A scoping review regarding microbial contamination exposure assessment in WWTPs was performed. METHODS This study was performed through PRISMA methodology in PubMed, Scopus and Web of Science. RESULTS 28 papers were selected for data extraction. The WWTPs' most common sampled sites are the aeration tank (42.86%), sludge dewatering basin (21.43%) and grit chamber. Air sampling is the preferred sampling technique and culture-based methods were the most frequently employed assays. Staphylococcus sp. (21.43%), Bacillus sp. (7.14%), Clostridium sp. (3.57%), Escherichia sp. (7.14%) and Legionella sp. (3.57%) were the most isolated bacteria and Aspergillus sp. (17.86%), Cladosporium sp. (10.71%) and Alternaria sp. (10.71%) dominated the fungal presence. CONCLUSIONS This study allowed the identification of the following needs: (a) common protocol from the field (sampling campaign) to the lab (assays to employ); (b) standardized contextual information to be retrieved allowing a proper risk control and management; (c) the selection of the most suitable microbial targets to serve as indicators of harmful microbial exposure. Filling these gaps with further studies will help to provide robust science to policy makers and stakeholders.
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Affiliation(s)
- Bruna Riesenberger
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
| | - Margarida Rodriguez
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
| | - Liliana Marques
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
| | - Renata Cervantes
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Comprehensive Health Research Center, CHRC, REAL, CCAL, NOVA University Lisbon, 1099-085 Lisbon, Portugal
| | - Bianca Gomes
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
| | - Marta Dias
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Comprehensive Health Research Center, CHRC, REAL, CCAL, NOVA University Lisbon, 1099-085 Lisbon, Portugal
| | - Pedro Pena
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Comprehensive Health Research Center, CHRC, REAL, CCAL, NOVA University Lisbon, 1099-085 Lisbon, Portugal
| | - Edna Ribeiro
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
| | - Carla Viegas
- H&TRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia e Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Comprehensive Health Research Center, CHRC, REAL, CCAL, NOVA University Lisbon, 1099-085 Lisbon, Portugal
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Mejías-Molina C, Pico-Tomàs A, Martínez-Puchol S, Itarte M, Torrell H, Canela N, Borrego CM, Corominas L, Rusiñol M, Bofill-Mas S. Wastewater-based epidemiology applied at the building-level reveals distinct virome profiles based on the age of the contributing individuals. Hum Genomics 2024; 18:10. [PMID: 38303015 PMCID: PMC10832175 DOI: 10.1186/s40246-024-00580-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/24/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Human viruses released into the environment can be detected and characterized in wastewater. The study of wastewater virome offers a consolidated perspective on the circulation of viruses within a population. Because the occurrence and severity of viral infections can vary across a person's lifetime, studying the virome in wastewater samples contributed by various demographic segments can provide valuable insights into the prevalence of viral infections within these segments. In our study, targeted enrichment sequencing was employed to characterize the human virome in wastewater at a building-level scale. This was accomplished through passive sampling of wastewater in schools, university settings, and nursing homes in two cities in Catalonia. Additionally, sewage from a large urban wastewater treatment plant was analysed to serve as a reference for examining the collective excreted human virome. RESULTS The virome obtained from influent wastewater treatment plant samples showcased the combined viral presence from individuals of varying ages, with astroviruses and human bocaviruses being the most prevalent, followed by human adenoviruses, polyomaviruses, and papillomaviruses. Significant variations in the viral profiles were observed among the different types of buildings studied. Mamastrovirus 1 was predominant in school samples, salivirus and human polyomaviruses JC and BK in the university settings while nursing homes showed a more balanced distribution of viral families presenting papillomavirus and picornaviruses and, interestingly, some viruses linked to immunosuppression. CONCLUSIONS This study shows the utility of building-level wastewater-based epidemiology as an effective tool for monitoring the presence of viruses circulating within specific age groups. It provides valuable insights for public health monitoring and epidemiological studies.
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Affiliation(s)
- Cristina Mejías-Molina
- Laboratory of Viruses Contaminants of Water and Food, Genetics, Microbiology and Statistics Department, Universitat de Barcelona, Barcelona, Catalonia, Spain.
- The Water Research Institute (IdRA), Universitat de Barcelona, Barcelona, Catalonia, Spain.
| | | | - Sandra Martínez-Puchol
- Laboratory of Viruses Contaminants of Water and Food, Genetics, Microbiology and Statistics Department, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Marta Itarte
- Laboratory of Viruses Contaminants of Water and Food, Genetics, Microbiology and Statistics Department, Universitat de Barcelona, Barcelona, Catalonia, Spain
- The Water Research Institute (IdRA), Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Helena Torrell
- Centre for Omic Sciences (COS), Joint Unit Universitat Rovira I Virgili-EURECAT, Unique Scientific and Technical Infrastructures (ICTS), Eurecat, Centre Tecnològic de Catalunya, Reus, Catalonia, Spain
| | - Núria Canela
- Centre for Omic Sciences (COS), Joint Unit Universitat Rovira I Virgili-EURECAT, Unique Scientific and Technical Infrastructures (ICTS), Eurecat, Centre Tecnològic de Catalunya, Reus, Catalonia, Spain
| | - Carles M Borrego
- Catalan Institute for Water Research (ICRA), Girona, Spain
- Group of Molecular Microbial Ecology, Institute of Aquatic Ecology, University of Girona, Girona, Catalonia, Spain
| | | | - Marta Rusiñol
- Laboratory of Viruses Contaminants of Water and Food, Genetics, Microbiology and Statistics Department, Universitat de Barcelona, Barcelona, Catalonia, Spain
- The Water Research Institute (IdRA), Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Sílvia Bofill-Mas
- Laboratory of Viruses Contaminants of Water and Food, Genetics, Microbiology and Statistics Department, Universitat de Barcelona, Barcelona, Catalonia, Spain
- The Water Research Institute (IdRA), Universitat de Barcelona, Barcelona, Catalonia, Spain
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