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Chaqroun A, Bertrand I, Wurtzer S, Moulin L, Boni M, Soubies S, Boudaud N, Gantzer C. Assessing infectivity of emerging enveloped viruses in wastewater and sewage sludge: Relevance and procedures. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 943:173648. [PMID: 38825204 DOI: 10.1016/j.scitotenv.2024.173648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/04/2024]
Abstract
The emergence of SARS-CoV-2 has heightened the need to evaluate the detection of enveloped viruses in the environment, particularly in wastewater, within the context of wastewater-based epidemiology. The studies published over the past 80 years focused primarily on non-enveloped viruses due to their ability to survive longer in environmental matrices such as wastewater or sludge compared to enveloped viruses. However, different enveloped viruses survive in the environment for different lengths of time. Therefore, it is crucial to be prepared to assess the potential infectious risk that may arise from future emerging enveloped viruses. This will require appropriate tools, notably suitable viral concentration methods that do not compromise virus infectivity. This review has a dual purpose: first, to gather all the available literature on the survival of infectious enveloped viruses, specifically at different pH and temperature conditions, and in contact with detergents; second, to select suitable concentration methods for evaluating the infectivity of these viruses in wastewater and sludge. The methodology used in this data collection review followed the systematic approach outlined in the PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analysis) guidelines. Concentration methods cited in the data gathered are more tailored towards detecting the enveloped viruses' genome. There is a lack of suitable methods for detecting infectious enveloped viruses in wastewater and sludge. Ultrafiltration, ultracentrifugation, and polyethylene glycol precipitation methods, under specific/defined conditions, appear to be relevant approaches. Further studies are necessary to validate reliable concentration methods for detecting infectious enveloped viruses. The choice of culture system is also crucial for detection sensitivity. The data also show that the survival of infectious enveloped viruses, though lower than that of non-enveloped ones, may enable environmental transmission. Experimental data on a wide range of enveloped viruses is required due to the variability in virus persistence in the environment.
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Affiliation(s)
- Ahlam Chaqroun
- Université de Lorraine, CNRS, LCPME, F-54000 Nancy, France
| | | | | | | | - Mickael Boni
- French Armed Forces Biomedical Research Institute, 91220 Brétigny-sur-Orge, France
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Mabasa VV, van Zyl WB, Taylor MB, Mans J. Quantification and Potential Viability of Human Noroviruses in Final Effluent from Wastewater Treatment Works in Pretoria, South Africa. FOOD AND ENVIRONMENTAL VIROLOGY 2024; 16:200-215. [PMID: 38555559 DOI: 10.1007/s12560-024-09589-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 02/12/2024] [Indexed: 04/02/2024]
Abstract
Growing global concerns over water scarcity, worsened by climate change, drive wastewater reclamation efforts. Inadequately treated wastewater presents significant public health risks. Previous studies in South Africa (SA) have reported high norovirus levels in final effluent and sewage-polluted surface water, indicating pathogen removal inefficiency. However, the viability of these virions was not explored. This study assessed human norovirus viability in final effluent from wastewater treatment works (WWTWs) in Pretoria, SA. Between June 2018 and August 2020, 200 samples were collected from two WWTWs, including raw sewage and final effluent. Norovirus concentrations were determined using in-house RNA standards. Viability of noroviruses in final effluent was assessed using viability RT-qPCR (vPCR) with PMAxx™-Triton X-100. There was no significant difference in GI concentrations between raw sewage (p = 0.5663) and final effluent (p = 0.4035) samples at WWTW1 and WWTW2. WWTW1 had significantly higher GII concentrations in raw sewage (p < 0.001) compared to WWTW2. No clear seasonal pattern was observed in norovirus concentrations. At WWTW1, 50% (7/14) of GI- and 64.9% (24/37) of GII-positive final effluent samples had no quantifiable RNA after vPCR. At WWTW2, the majority (92.6%, 25/27) of GII-positive final effluent samples showed a 100% RNA reduction post vPCR. PMAxx™-Triton X-100 vPCR provides a more accurate reflection of discharge of potentially viable noroviruses in the environment than standard RT-qPCR. Despite significant reductions in potentially viable noroviruses after wastewater treatment, the levels of potentially viable viruses in final effluent are still of concern due to the high initial load and low infectious dose of noroviruses.
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Affiliation(s)
- V V Mabasa
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria, 0031, South Africa
| | - W B van Zyl
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria, 0031, South Africa
- National Health Laboratory Service-Tshwane Academic Division, Pretoria, South Africa
| | - M B Taylor
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria, 0031, South Africa
| | - J Mans
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria, 0031, South Africa.
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Heffron J, Samsami M, Juedemann S, Lavin J, Tavakoli Nick S, Kieke BA, Mayer BK. Mitigation of viruses of concern and bacteriophage surrogates via common unit processes for water reuse: A meta-analysis. WATER RESEARCH 2024; 252:121242. [PMID: 38342066 DOI: 10.1016/j.watres.2024.121242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/26/2024] [Accepted: 01/30/2024] [Indexed: 02/13/2024]
Abstract
Water reuse is a growing global reality. In regulating water reuse, viruses have come to the fore as key pathogens due to high shedding rates, low infectious doses, and resilience to traditional wastewater treatments. To demonstrate the high log reductions required by emerging water reuse regulations, cost and practicality necessitate surrogates for viruses for use as challenge organisms in unit process evaluation and monitoring. Bacteriophage surrogates that are mitigated to the same or lesser extent than viruses of concern are routinely used for individual unit process testing. However, the behavior of these surrogates over a multi-barrier treatment train typical of water reuse has not been well-established. Toward this aim, we performed a meta-analysis of log reductions of common bacteriophage surrogates for five treatment processes typical of water reuse treatment trains: advanced oxidation processes, chlorination, membrane filtration, ozonation, and ultraviolet (UV) disinfection. Robust linear regression was applied to identify a range of doses consistent with a given log reduction of bacteriophages and viruses of concern for each treatment process. The results were used to determine relative conservatism of surrogates. We found that no one bacteriophage was a representative or conservative surrogate for viruses of concern across all multi-barrier treatments (encompassing multiple mechanisms of virus mitigation). Rather, a suite of bacteriophage surrogates provides both a representative range of inactivation and information about the effectiveness of individual processes within a treatment train. Based on the abundance of available data and diversity of virus treatability using these five key water reuse treatment processes, bacteriophages MS2, phiX174, and Qbeta were recommended as a core suite of surrogates for virus challenge testing.
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Affiliation(s)
- Joe Heffron
- U.S. Department of Agriculture-Agricultural Research Service, Environmentally Integrated Dairy Management Research Unit, 2615 Yellowstone Dr., Marshfield, WI 54449, USA.
| | - Maryam Samsami
- Department of Civil, Construction and Environmental Engineering, Marquette University, 1637 West Wisconsin Avenue, Milwaukee, WI 53233, USA
| | - Samantha Juedemann
- Department of Civil, Construction and Environmental Engineering, Marquette University, 1637 West Wisconsin Avenue, Milwaukee, WI 53233, USA
| | - Jennifer Lavin
- Department of Civil, Construction and Environmental Engineering, Marquette University, 1637 West Wisconsin Avenue, Milwaukee, WI 53233, USA
| | - Shadi Tavakoli Nick
- Department of Civil, Construction and Environmental Engineering, Marquette University, 1637 West Wisconsin Avenue, Milwaukee, WI 53233, USA
| | - Burney A Kieke
- Marshfield Clinic Research Institute, Center for Clinical Epidemiology and Population Health, 1000 N Oak Ave., Marshfield, WI 54449, USA
| | - Brooke K Mayer
- Department of Civil, Construction and Environmental Engineering, Marquette University, 1637 West Wisconsin Avenue, Milwaukee, WI 53233, USA
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Kong J, Lu Y, Ren Y, Chen M, Liu G, Shi L. The risk factors and threshold level of subchronic inhalation exposure of reclaimed water. J Environ Sci (China) 2024; 137:639-650. [PMID: 37980046 DOI: 10.1016/j.jes.2022.12.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 12/21/2022] [Accepted: 12/25/2022] [Indexed: 11/20/2023]
Abstract
Inhalation of reclaimed water is known to cause lung inflammation, and free endotoxins have been shown to be a major risk factor for acute exposure. Subchronic exposure has also been shown to induce inflammatory responses with visible tissue damage. However, subchronic risk factors have yet to be identified, and a threshold for the protection of occupational populations during urban reuse is necessary. In this study, potential risk factors in reclaimed water were examined by subchronic exposure with fractionated reclaimed water, and the health risk threshold was tested with a series of diluted reclaimed water. Accordingly, following a 12-week exposure, macromolecules and microorganisms were found to be two major risk factors in reclaimed water that could cause pulmonary inflammation, including increased proportion of polymorphonuclear leukocytes in bronchoalveolar fluid, formation of inducible bronchus-associated lymphoid tissue, and elevation of Immunoglobulin A levels. Moreover, inflammation persisted after a 4-week recovery period. The calculated threshold of reclaimed water exposure for mice was 31.8 Endotoxin Unit (EU)/(kg·day) under when exposed to 50% additional relative humidity from reclaimed water at 25°C for 2 hr/day. Meanwhile, the subchronic threshold estimate for humans under the same exposure conditions was found to be 12.2 EU/(kg·day), corresponding to endotoxin levels of 61.7 EU/mL in reclaimed water. The threshold level of endotoxin was lower than that in most non-potable reclaimed water. The findings of this study suggest that occupational exposure of reclaimed water can serve as a potential risk to workers.
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Affiliation(s)
- Jiayang Kong
- State Key Joint Laboratory of Environment Simulation and Pollution Control, State Environment Protection Key Laboratory of Microorganism Application and Risk Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Yun Lu
- State Key Joint Laboratory of Environment Simulation and Pollution Control, State Environment Protection Key Laboratory of Microorganism Application and Risk Control, School of Environment, Tsinghua University, Beijing 100084, China.
| | - Yunru Ren
- State Key Joint Laboratory of Environment Simulation and Pollution Control, State Environment Protection Key Laboratory of Microorganism Application and Risk Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Menghao Chen
- State Key Joint Laboratory of Environment Simulation and Pollution Control, State Environment Protection Key Laboratory of Microorganism Application and Risk Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Gang Liu
- State Key Joint Laboratory of Environment Simulation and Pollution Control, State Environment Protection Key Laboratory of Microorganism Application and Risk Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Liangliang Shi
- State Key Joint Laboratory of Environment Simulation and Pollution Control, State Environment Protection Key Laboratory of Microorganism Application and Risk Control, School of Environment, Tsinghua University, Beijing 100084, China
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Monnot M, Ollivier J, Taligrot H, Garry P, Cordier C, Stravakakis C, Le Guyader FS, Moulin P. Retention of Virus Versus Surrogate, by Ultrafiltration in Seawater: Case Study of Norovirus Versus Tulane. FOOD AND ENVIRONMENTAL VIROLOGY 2024; 16:14-24. [PMID: 38184502 DOI: 10.1007/s12560-023-09574-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 11/28/2023] [Indexed: 01/08/2024]
Abstract
In the field of chemical engineering and water treatment, the study of viruses, included surrogates, is well documented. Often, surrogates are used to study viruses and their behavior because they can be produced in larger quantities in safer conditions and are easier to handle. In fact, surrogates allow studying microorganisms which are non-infectious to humans but share some properties similar to pathogenic viruses: structure, composition, morphology, and size. Human noroviruses, recognized as the leading cause of epidemics and sporadic cases of gastroenteritis across all age groups, may be mimicked by the Tulane virus. The objectives of this work were to study (i) the ultrafiltration of Tulane virus and norovirus to validate that Tulane virus can be used as a surrogate for norovirus in water treatment process and (ii) the retention of norovirus and the surrogate as a function of water quality to better understand the use of the latter pathogenic viruses. Ultrafiltration tests showed significant logarithmic reduction values (LRV) in viral RNA: around 2.5 for global LRV (i.e., based on the initial and permeate average concentrations) and between 2 and 6 for average LRV (i.e., retention rate considering the increase of viral concentration in the retentate), both for norovirus and the surrogate Tulane virus. Higher reduction rates (from 2 to 6 log genome copies) are obtained for higher initial concentrations (from 101 to 107 genome copies per mL) due to virus aggregation in membrane lumen. Tulane virus appears to be a good surrogate for norovirus retention by membrane processes.
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Affiliation(s)
- M Monnot
- Aix Marseille Univ., CNRS, Centrale Marseille, M2P2 UMR 7340, Equipe Procédés Membranaires (EPM), Europôle de l'Arbois, Pavillon Laennec, Hall C, BP80, 13545, Aix-en-Provence, France
| | - J Ollivier
- Ifremer - U. Microbiologie, Aliment, Santé et Environnement (LSEM/RBE), Rue de l'Ile d'Yeu, BP 21105, 44311, Nantes, Cedex 3, France
| | - H Taligrot
- Aix Marseille Univ., CNRS, Centrale Marseille, M2P2 UMR 7340, Equipe Procédés Membranaires (EPM), Europôle de l'Arbois, Pavillon Laennec, Hall C, BP80, 13545, Aix-en-Provence, France
| | - P Garry
- Ifremer - U. Microbiologie, Aliment, Santé et Environnement (LSEM/RBE), Rue de l'Ile d'Yeu, BP 21105, 44311, Nantes, Cedex 3, France
| | - C Cordier
- Aix Marseille Univ., CNRS, Centrale Marseille, M2P2 UMR 7340, Equipe Procédés Membranaires (EPM), Europôle de l'Arbois, Pavillon Laennec, Hall C, BP80, 13545, Aix-en-Provence, France
| | - C Stravakakis
- Ifremer - EMMA Plateforme Expérimentale Mollusques Marins Atlantique, 85230, Bouin, France
| | - F S Le Guyader
- Ifremer - U. Microbiologie, Aliment, Santé et Environnement (LSEM/RBE), Rue de l'Ile d'Yeu, BP 21105, 44311, Nantes, Cedex 3, France
| | - P Moulin
- Aix Marseille Univ., CNRS, Centrale Marseille, M2P2 UMR 7340, Equipe Procédés Membranaires (EPM), Europôle de l'Arbois, Pavillon Laennec, Hall C, BP80, 13545, Aix-en-Provence, France.
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Race AS, Spoelstra J, Parker BL. Wastewater contaminants in a fractured bedrock aquifer and their potential use as enteric virus indicators. Appl Environ Microbiol 2024; 90:e0121323. [PMID: 38231263 PMCID: PMC10880619 DOI: 10.1128/aem.01213-23] [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: 07/13/2023] [Accepted: 12/01/2023] [Indexed: 01/18/2024] Open
Abstract
Domestic wastewater is a source of persistent organic pollutants and pathogens to the aquatic environment, including groundwater aquifers. Wastewater contaminants include a variety of personal care products, pharmaceuticals, endocrine disrupters, bacteria, and viruses. Groundwater from 22 wells completed in a semi-confined to confined, fractured Silurian dolostone aquifer in southern Wellington County, Ontario, Canada, was analyzed for 14 organic wastewater contaminants (4 artificial sweeteners, 10 pharmaceuticals) as well as E. coli, total coliforms, and 6 human enteric viruses. Enteric viruses were detected in 8.6% of 116 samples, and at least one organic wastewater contaminant was detected in 82% of the wells (in order of decreasing detection frequency: acesulfame, ibuprofen, sulfamethoxazole, triclosan, carbamazepine, and saccharin). Virus indicator metrics [positive and negative predictive values (PPV, NPV), sensitivity, specificity] were calculated at the sample and well level for the organic wastewater compounds, E. coli, and total coliforms. Fecal bacteria were not good predictors of virus presence (PPV = 0%-8%). Of the potential chemical indicators, triclosan performed the best at the sample level (PPV = 50%, NPV = 100%), and ibuprofen performed the best at the well level (PPV = 60%, NPV = 67%); however, no samples had triclosan or ibuprofen concentrations above their practical quantification limits. Therefore, none of the compounds performed sufficiently well to be considered reliable for assessing the potential threat of enteric viruses in wastewater-impacted groundwater in this bedrock aquifer. Future studies need to evaluate the indicator potential of persistent organic wastewater contaminants in different types of aquifers, especially in fractured rock where heterogeneity is strong.IMPORTANCEAssessing the potential risk that human enteric viruses pose in groundwater aquifers used for potable water supply is complicated by several factors, including: (i) labor-intensive methods for the isolation and quantification of viruses in groundwater, (ii) the temporal variability of these viruses in domestic wastewater, and (iii) their potentially rapid transport in the subsurface, especially in fractured rock aquifers. Therefore, aquifer risk assessment would benefit from the identification of suitable proxy indicators of enteric viruses that are easier to analyze and less variable in wastewater sources. Traditional fecal indicators (e.g., E. coli and coliforms) are generally poor indicators of enteric viruses in groundwater. While many studies have examined the use of pharmaceutical and personal care products as tracers of domestic wastewater and fecal pollution in the environment, there is a paucity of data on the potential use of these chemical tracers as enteric virus indicators, especially in groundwater.
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Affiliation(s)
- Amy S. Race
- Morwick G360 Groundwater Research Institute, University of Guelph, Guelph, Ontario, Canada
- Now with: Tesla, Spring Creek, Nevada, USA
| | - John Spoelstra
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, Ontario, Canada
| | - Beth L. Parker
- Morwick G360 Groundwater Research Institute, University of Guelph, Guelph, Ontario, Canada
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Shaheen MNF, Ahmed N, Rady Badr K, Elmahdy EM. Detection and quantification of adenovirus, polyomavirus, and papillomavirus in urban sewage. JOURNAL OF WATER AND HEALTH 2024; 22:401-413. [PMID: 38421633 PMCID: wh_2024_322 DOI: 10.2166/wh.2024.322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
The objective of this study was to assess the occurrence and seasonal frequency of human adenovirus (HAdV), human polyomavirus (HPyV), and human papillomavirus (HPV) in urban sewage. The detection of these viruses was carried out by polymerase chain reaction (PCR), and then the viral concentrations in the positive samples were quantified by quantitative PCR (qPCR). Additionally, HAdV and HPyV genotyping was also performed by PCR. A total of 38/60 (63.3%) positive samples were found. HAdV was the most prevalent virus (26/60; 43.3%), followed by HPyV (21/60; 35%) and HPV (21/60; 35%). The viral concentrations ranged from 3.56 × 102 to 7.55 × 107 genome copies/L. The most common dual viral agents was found between HAdV and HPyV, in eight samples (8/38, 21%). HAdV types 40 and 41 as well as HPyV types JC and BK were identified, with HAdV-40 and HPyV JC being the most prevalent types. Furthermore, the detection rates of HAdV, HPyV, and HPV were higher during the winter season than the other seasons. The high prevalence of HAdV and HPyV supports their suitability as viral indicators of sewage contamination. Furthermore, this study demonstrates the advantages of environmental surveillance as a tool to elucidate the community-circulating viruses.
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Affiliation(s)
- Mohamed N F Shaheen
- Environmental Virology Laboratory, Department of Water Pollution Research, Environment and Climate Change Research Institute, National Research Center, 12622 Dokki, Cairo, Egypt E-mail: ;
| | - Nehal Ahmed
- Environmental Virology Laboratory, Department of Water Pollution Research, Environment and Climate Change Research Institute, National Research Center, 12622 Dokki, Cairo, Egypt
| | - Kareem Rady Badr
- Environmental Virology Laboratory, Department of Water Pollution Research, Environment and Climate Change Research Institute, National Research Center, 12622 Dokki, Cairo, Egypt
| | - Elmahdy Mohamed Elmahdy
- Environmental Virology Laboratory, Department of Water Pollution Research, Environment and Climate Change Research Institute, National Research Center, 12622 Dokki, Cairo, Egypt
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Devianto LA, Sano D. Systematic review and meta-analysis of human health-related protein markers for realizing real-time wastewater-based epidemiology. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 897:165304. [PMID: 37419365 DOI: 10.1016/j.scitotenv.2023.165304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/07/2023] [Accepted: 07/02/2023] [Indexed: 07/09/2023]
Abstract
For effective implementation of the wastewater-based epidemiology (WBE) approach, real-time quantification of markers in wastewater is critical for data acquisition before data interpretation, dissemination, and decision-making. This can be achieved by using biosensor technology, but whether the quantification/detection limits of different types of biosensors comply with the concentration of WBE markers in wastewater is unclear. In the present study, we identified promising protein markers with relatively high concentrations in wastewater samples and analyzed biosensor technologies that are potentially available for real-time WBE. The concentrations of potential protein markers in stool and urine samples were obtained through systematic review and meta-analysis. We examined 231 peer-review papers to collect information regarding potential protein markers that can enable us to achieve real-time monitoring using biosensor technology. Fourteen markers in stool samples were identified at the ng/g level, presumably equivalent to ng/L of wastewater after dilution. Moreover, relatively high average concentrations of fecal inflammatory proteins were observed, e.g., fecal calprotectin, clusterin, and lactoferrin. Fecal calprotectin exhibited the highest average log concentration among the markers identified in stool samples with its mean value being 5.24 [95 % CI: 5.05, 5.42] ng/g. We identified 50 protein markers in urine samples at the ng/mL level. Uromodulin (4.48 [95 % CI: 4.20, 4.76] ng/mL) and plasmin (4.18 [95 % CI: 3.15, 5.21] ng/mL) had the top two highest log concentrations in urine samples. Furthermore, the quantification limit of some electrochemical- and optical-based biosensors was found to be around the femtogram/mL level, which is sufficiently low to detect protein markers in wastewater even after dilution in sewer pipes.
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Affiliation(s)
- Luhur Akbar Devianto
- Department of Frontier Science for Advanced Environment, Graduate School of Environmental Studies, Tohoku University, Sendai, Miyagi 980-8579, Japan; Department of Environmental Engineering, Faculty of Agriculture Technology, Brawijaya University, Malang 65145, Indonesia.
| | - Daisuke Sano
- Department of Frontier Science for Advanced Environment, Graduate School of Environmental Studies, Tohoku University, Sendai, Miyagi 980-8579, Japan; Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Sendai, Miyagi 980-8579, Japan; Wastewater Information Research Center, Graduate School of Engineering, Tohoku University, Sendai, Miyagi 980-8579, Japan.
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Panizzolo M, Gea M, Carraro E, Gilli G, Bonetta S, Pignata C. Occurrence of human pathogenic viruses in drinking water and in its sources: A review. J Environ Sci (China) 2023; 132:145-161. [PMID: 37336605 DOI: 10.1016/j.jes.2022.07.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 07/19/2022] [Accepted: 07/21/2022] [Indexed: 06/21/2023]
Abstract
Since many waterborne diseases are caused by human pathogenic viruses, virus monitoring of drinking water (DW) and DW sources is crucial for public health. Therefore, the aim of this review was to describe the occurrence of human pathogenic viruses in DW and DW sources; the occurrence of two viruses proposed as novel indicators of human faecal contamination (Pepper mild mottle virus and Tobacco mosaic virus) was also reported. This research was focused on articles that assessed viral occurrence using molecular methods in the surface water used for DW production (SW-D), groundwater used for DW production (GW-D), DW and bottled-DW (BW). A total of 1544 studies published in the last 10 years were analysed, and 79 were ultimately included. In considering the detection methods, filtration is the most common concentration technique, while quantitative polymerase chain reaction is the most common quantification technique. Regarding virus occurrence in SW-D, GW-D, and DW, high percentages of positive samples were reported for adenovirus, polyomavirus and Pepper mild mottle virus. Viral genomes were frequently detected in SW-D and rarely in GW-D, suggesting that GW-D may be a safe DW source. Viral genomes were also detected in DW, posing a possible threat to human health. The lowest percentages of positive samples were found in Europe, while the highest were found in Asia and South America. Only three articles assessed viral occurrence in BW. This review highlights the lack of method standardization and the need for legislation updates.
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Affiliation(s)
- Marco Panizzolo
- Department of Public Health and Pediatrics, University of Torino, Piazza Polonia 94, 10126, Torino, Italy
| | - Marta Gea
- Department of Public Health and Pediatrics, University of Torino, Piazza Polonia 94, 10126, Torino, Italy.
| | - Elisabetta Carraro
- Department of Public Health and Pediatrics, University of Torino, Piazza Polonia 94, 10126, Torino, Italy
| | - Giorgio Gilli
- Department of Public Health and Pediatrics, University of Torino, Piazza Polonia 94, 10126, Torino, Italy
| | - Silvia Bonetta
- Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina 13, 10123, Torino, Italy
| | - Cristina Pignata
- Department of Public Health and Pediatrics, University of Torino, Piazza Polonia 94, 10126, Torino, Italy
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Chaudhary A, Rana S, Singh R, Gurian PL, Betancourt W, Kumar A, Kumar A. Non-potable water reuse and the public health risks from protozoa and helminths: a case study from a city with a semi-arid climate. JOURNAL OF WATER AND HEALTH 2023; 21:981-994. [PMID: 37632375 PMCID: wh_2023_283 DOI: 10.2166/wh.2023.283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/28/2023]
Abstract
The study estimated the risk due to Cryptosporidium, Giardia, and Ascaris, associated with non-potable water reuse in the city of Jaipur, India. The study first determined the exposure dose of Cryptosporidium, Giardia, and Ascaris based on various wastewater treatment technologies for various scenarios of reuse for six wastewater treatment plants (WWTPs) in the city. The exposure scenarios considered were (1) garden irrigation; (2) working and lounging in the garden; and (3) consumption of crops irrigated with recycled water. The estimated annual risk of infection varied between 8.57 × 10-7 and 1.0 for protozoa and helminths, respectively. The order of treatment processes, in decreasing order of annual risk of infection, was found to be: moving-bed bioreactor (MBBR) technology > activated sludge process (ASP) technology > sequencing batch reactor (SBR) technology. The estimated annual risk was found to be in this order: Ascaris > Giardia > Cryptosporidium. The study also estimated the maximum allowable concentration (Cmax) of pathogen in the effluent for a benchmark value of annual infection of risk equal to 1:10,000, the acceptable level of risk used for drinking water. The estimated Cmax values were found to be 6.54 × 10-5, 1.37 × 10-5, and 2.89 × 10-6 (oo) cysts/mL for Cryptosporidium, Giardia, and Ascaris, respectively.
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Affiliation(s)
- Ayushi Chaudhary
- Department of Civil Engineering, MNIT Jaipur, Jaipur, India E-mail: ;
| | - Shubham Rana
- Department of Civil Engineering, MNIT Jaipur, Jaipur, India
| | - Rajveer Singh
- Department of Civil, Architectural and Environmental Engineering, Drexel University, Philadelphia, PA 19104, USA
| | - Patrick L Gurian
- Department of Civil, Architectural and Environmental Engineering, Drexel University, Philadelphia, PA 19104, USA
| | - Walter Betancourt
- Water and Energy Sustainable Technology Centre, University of Arizona, Tucson, AZ, USA
| | - Arun Kumar
- Department of Civil Engineering, IIT Delhi, Delhi, India
| | - Amit Kumar
- Department of Civil Engineering, MNIT Jaipur, Jaipur, India
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Pérez-Cataluña A, Randazzo W, Martínez-Blanch JF, Codoñer FM, Sánchez G. Sample and library preparation approaches for the analysis of the virome of irrigation water. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:4450-4457. [PMID: 36823282 DOI: 10.1002/jsfa.12522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 02/14/2023] [Accepted: 02/23/2023] [Indexed: 06/06/2023]
Abstract
BACKGROUND The virome (i.e. community of mainly RNA and DNA eukaryotic viruses and bacteriophages) of waters is yet to be extensively explored. In particular, the virome of waters used for irrigation could therefore potentially carry viral pathogens that can contaminate fresh produce. One problem in obtaining viral sequences from irrigation waters is the relatively low amount of virus particles, as well as the presence of human, bacterial and protozoan cells. The present aimed study was to compare different processing, amplification, and sequencing approaches for virome characterization in irrigation waters. RESULTS Our analyses considered percentages of viral reads, values for diversity indices and number of families found in sequencing results. The results obtained suggest that enrichment protocols using two (bezonase and microccocal nuclease) or four enzymes at once (bezonase, microccocal nuclease, DNAse and RNase), regardless of an Amicon filtration step, are more appropriate than separated enzymatic treatments for virome characterization in irrigation water. The NetoVIR protocol combined with the ScriptSeq v2 RNA-Seq Library (P0-L20 protocol) showed the highest percentages of RNA viruses and identified the higher number of families. CONCLUSION Although virome characterization applied in irrigation waters is an important tool for protecting public health by informing on circulating human and zoonotic infections, optimized and standardized procedures should be followed to reduce the variability of results related to either the sample itself and the downstream bioinformatics analyses. Our results show that virome characterization can be an important tool in the discovery of pathogenic viruses in the environment and can be used to inform and optimize reference-based detection methods provided that appropriate and rigorous controls are included. © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Alba Pérez-Cataluña
- Department of Preservation and Food Safety Technologies, IATA-CSIC, Valencia, Spain
| | - Walter Randazzo
- Department of Preservation and Food Safety Technologies, IATA-CSIC, Valencia, Spain
| | | | - Francisco M Codoñer
- ADM-Lifesequencing - Health and Wellness - Adm Nutrition, Valencia, Spain
- Danone Nutricia Research, Singapore, Singapore
| | - Gloria Sánchez
- Department of Preservation and Food Safety Technologies, IATA-CSIC, Valencia, Spain
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12
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Pore flow and solute rejection in pilot-scale air-gap membrane distillation. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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13
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Bhatt A, Dada AC, Prajapati SK, Arora P. Integrating life cycle assessment with quantitative microbial risk assessment for a holistic evaluation of sewage treatment plant. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 862:160842. [PMID: 36509266 DOI: 10.1016/j.scitotenv.2022.160842] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 11/12/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
An integrated approach was employed in the present study to combine life cycle assessment (LCA) with quantitative microbial risk assessment (QMRA) to assess an existing sewage treatment plant (STP) at Roorkee, India. The midpoint LCA modeling revealed that high electricity consumption (≈ 576 kWh.day-1) contributed to the maximum environmental burdens. The LCA endpoint result of 0.01 disability-adjusted life years per person per year (DALYs pppy) was obtained in terms of the impacts on human health. Further, a QMRA model was developed based on representative sewage pathogens, including E. coli O157:H7, Giardia sp., adenovirus, norovirus, and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The public health risk associated with intake of pathogen-laden aerosols during treated water reuse in sprinkler irrigation was determined. A cumulative health risk of 0.07 DALYs pppy was obtained, where QMRA risks contributed 86 % of the total health impacts. The annual probability of illness per person was highest for adenovirus and norovirus, followed by SARS-CoV-2, E. coli O157:H7 and Giardia sp. Overall, the study provides a methodological framework for an integrated LCA-QMRA assessment which can be applied across any treatment process to identify the hotspots contributing maximum environmental burdens and microbial health risks. Furthermore, the integrated LCA-QMRA approach could support stakeholders in the water industry to select the most suitable wastewater treatment system and establish regulations regarding the safe reuse of treated water.
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Affiliation(s)
- Ankita Bhatt
- Department of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Uttarakhand, India
| | | | - Sanjeev Kumar Prajapati
- Department of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Uttarakhand, India
| | - Pratham Arora
- Department of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Uttarakhand, India.
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14
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Wang R, Alamin M, Tsuji S, Hara-Yamamura H, Hata A, Zhao B, Ihara M, Honda R. Removal performance of SARS-CoV-2 in wastewater treatment by membrane bioreactor, anaerobic-anoxic-oxic, and conventional activated sludge processes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158310. [PMID: 36030862 PMCID: PMC9411102 DOI: 10.1016/j.scitotenv.2022.158310] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/10/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
The potential risk of SARS-CoV-2 in treated effluent from a wastewater treatment plant (WWTP) is concerned since SARS-CoV-2 is contained in wastewater during the COVID-19 outbreak. However, the removal of SARS-CoV-2 in WWTP has not been well investigated. The objectives of this study were (i) to clarify the removal performance of SARS-CoV-2 during wastewater treatment, (ii) to compare the removal performance of different secondary treatment processes, and (iii) to evaluate applicability of pepper mild mottle of virus (PMMoV) as a performance indicator for the reduction of SARS-CoV-2 RNA in wastewater treatment. Influent wastewater, secondary-treatment effluent (before chlorination), and final effluent (after chlorination) samples were collected from a WWTP from May 28 to September 24, 2020, during the COVID-19 outbreak in Japan. The target WWTP had three parallel treatment systems employing conventional activated sludge (CAS), anaerobic-anoxic -oxic (A2O), and membrane bioreactor (MBR) processes. SARS-CoV-2 in both the liquid and solid fractions of the influent wastewater was concentrated and quantified using RT-qPCR. SARS-CoV-2 in treated effluent was concentrated from 10 L samples to achieve a detection limit as low as 10 copies/L. The log reduction value (LRV) of SARS-CoV-2 was 2.7 ± 0.86 log10 in CAS, 1.6 ± 0.50 log10 in A2O, and 3.6 ± 0.62 log10 in MBR. The lowest LRV observed during the sampling period was 2.8 log10 in MBR, 1.2 log10 in CAS, and 1.0 log10 in A2O process, indicating that the MBR had the most stable reduction performance. PMMoV was found to be a good indicator virus to evaluate reduction performance of SARS-CoV-2 independent of the process configuration because the LRV of PMMoV was significantly lower than that of SARS-CoV-2 in the CAS, A2O and MBR processes.
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Affiliation(s)
- Rongxuan Wang
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Japan
| | - Md Alamin
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Japan
| | - Shohei Tsuji
- Faculty of Geosciences and Civil Engineering, Kanazawa University, Kanazawa, Japan
| | - Hiroe Hara-Yamamura
- Faculty of Geosciences and Civil Engineering, Kanazawa University, Kanazawa, Japan
| | - Akihiko Hata
- Department of Environmental and Civil Engineering, Toyama Prefectural University, Imizu, Japan
| | - Bo Zhao
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, PR China; Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, Otsu, Japan
| | - Masaru Ihara
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, Otsu, Japan; Faculty of Agriculture and Marine Science, Kochi University, Nankoku, Japan
| | - Ryo Honda
- Faculty of Geosciences and Civil Engineering, Kanazawa University, Kanazawa, Japan; Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, Otsu, Japan.
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15
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Mabasa VV, van Zyl WB, Ismail A, Allam M, Taylor MB, Mans J. Multiple Novel Human Norovirus Recombinants Identified in Wastewater in Pretoria, South Africa by Next-Generation Sequencing. Viruses 2022; 14:v14122732. [PMID: 36560736 PMCID: PMC9788511 DOI: 10.3390/v14122732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/25/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
The genogroup II genotype 4 (GII.4) noroviruses are a major cause of viral gastroenteritis. Since the emergence of the Sydney_2012 variant, no novel norovirus GII.4 variants have been reported. The high diversity of noroviruses and periodic emergence of novel strains necessitates continuous global surveillance. The aim of this study was to assess the diversity of noroviruses in selected wastewater samples from Pretoria, South Africa (SA) using amplicon-based next-generation sequencing (NGS). Between June 2018 and August 2020, 200 raw sewage and final effluent samples were collected fortnightly from two wastewater treatment plants in Pretoria. Viruses were recovered using skimmed milk flocculation and glass wool adsorption-elution virus recovery methods and screened for noroviruses using a one-step real-time reverse-transcription PCR (RT-PCR). The norovirus BC genotyping region (570-579 bp) was amplified from detected norovirus strains and subjected to Illumina MiSeq NGS. Noroviruses were detected in 81% (162/200) of samples. The majority (89%, 89/100) of raw sewage samples were positive for at least one norovirus, compared with 73% (73/100) of final effluent samples. Overall, a total of 89 different GI and GII RdRp-capsid combinations were identified, including 51 putative novel recombinants, 34 previously reported RdRp-capsid combinations, one emerging novel recombinant and three Sanger-sequencing confirmed novel recombinants.
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Affiliation(s)
- Victor Vusi Mabasa
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria 0031, South Africa
| | - Walda Brenda van Zyl
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria 0031, South Africa
- National Health Laboratory Service, Tshwane Academic Division, Pretoria 0002, South Africa
| | - Arshad Ismail
- Sequencing Core Facility, National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg 2192, South Africa
- Department of Biochemistry and Microbiology, Faculty of Science, Engineering and Agriculture, University of Venda, Thohoyandou 0950, South Africa
| | - Mushal Allam
- Sequencing Core Facility, National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg 2192, South Africa
- Department of Genetics and Genomics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Maureen Beatrice Taylor
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria 0031, South Africa
| | - Janet Mans
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Gezina, Pretoria 0031, South Africa
- Correspondence: ; Tel.: +27-12-319-2660
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16
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A safe haven of SARS-CoV-2 in the environment: Prevalence and potential transmission risks in the effluent, sludge, and biosolids. GEOSCIENCE FRONTIERS 2022; 13. [PMID: 37521134 PMCID: PMC8861126 DOI: 10.1016/j.gsf.2022.101373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The novel coronavirus, SARS-CoV-2, which has caused millions of death globally is recognized to be unstable and recalcitrant in the environment, especially in the way it has been evolving to form new and highly transmissible variants. Of particular concerns are human-environment interactions and the handling and reusing the environmental materials, such as effluents, sludge, or biosolids laden with the SARS-CoV-2 without adequate treatments, thereby suggesting potential transmission and health risks. This study assesses the prevalence of SARS-CoV-2 RNA in effluents, sludge, and biosolids. Further, we evaluate the environmental, ecological, and health risks of reusing these environmental materials by wastewater/sludge workers and farmers. A systematic review of literature from the Scopus database resulted in a total of 21 articles (11 for effluents, 8 for sludge, and 2 for biosolids) that met the criteria for meta-analysis, which are then subdivided into 30 meta-analyzed studies. The prevalence of SAR-CoV-2 RNA in effluent and sludge based on random-effect models are 27.51 and 1012.25, respectively, with a 95% CI between 6.14 and 48.89 for the effluent, and 104.78 and 1019.71 for the sludge. However, the prevalence of SARS-CoV-2 RNA in the biosolids based on the fixed-effect model is 30.59, with a 95% CI between 10.10 and 51.08. The prevalence of SARS-CoV-2 RNA in environmental materials indicates the inefficiency in some of the treatment systems currently deployed to inactivate and remove the novel virus, which could be a potential health risk concern to vulnerable wastewater workers in particular, and the environmental and ecological issues for the population at large. This timely review portends the associated risks in handling and reusing environmental materials without proper and adequate treatments.
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17
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Al-Hazmi HE, Shokrani H, Shokrani A, Jabbour K, Abida O, Mousavi Khadem SS, Habibzadeh S, Sonawane SH, Saeb MR, Bonilla-Petriciolet A, Badawi M. Recent advances in aqueous virus removal technologies. CHEMOSPHERE 2022; 305:135441. [PMID: 35764113 PMCID: PMC9233172 DOI: 10.1016/j.chemosphere.2022.135441] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 06/13/2022] [Accepted: 06/20/2022] [Indexed: 05/09/2023]
Abstract
The COVID-19 outbreak has triggered a massive research, but still urgent detection and treatment of this virus seems a public concern. The spread of viruses in aqueous environments underlined efficient virus treatment processes as a hot challenge. This review critically and comprehensively enables identifying and classifying advanced biochemical, membrane-based and disinfection processes for effective treatment of virus-contaminated water and wastewater. Understanding the functions of individual and combined/multi-stage processes in terms of manufacturing and economical parameters makes this contribution a different story from available review papers. Moreover, this review discusses challenges of combining biochemical, membrane and disinfection processes for synergistic treatment of viruses in order to reduce the dissemination of waterborne diseases. Certainly, the combination technologies are proactive in minimizing and restraining the outbreaks of the virus. It emphasizes the importance of health authorities to confront the outbreaks of unknown viruses in the future.
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Affiliation(s)
- Hussein E Al-Hazmi
- Department of Sanitary Engineering, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Ul. Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Hanieh Shokrani
- Department of Chemical Engineering, Sharif University of Technology, Azadi Ave., Tehran, Iran
| | - Amirhossein Shokrani
- Department of Mechanical Engineering, Sharif University of Technology, Azadi Ave., Tehran, Iran
| | - Karam Jabbour
- College of Engineering and Technology, American University of the Middle East, Kuwait
| | - Otman Abida
- College of Engineering and Technology, American University of the Middle East, Kuwait
| | | | - Sajjad Habibzadeh
- Surface Reaction and Advanced Energy Materials Laboratory, Chemical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.
| | - Shirish H Sonawane
- Department of Chemical Engineering, National Institute of Technology Warangal, Warangal, 506004, Telangana, India
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, G. Narutowicza 11/12 80-233, Gdańsk, Poland
| | | | - Michael Badawi
- Université de Lorraine, Laboratoire de Physique et Chimie Théoriques LPCT UMR CNRS, 7019, Nancy, France.
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18
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Lanrewaju AA, Enitan-Folami AM, Sabiu S, Edokpayi JN, Swalaha FM. Global public health implications of human exposure to viral contaminated water. Front Microbiol 2022; 13:981896. [PMID: 36110296 PMCID: PMC9468673 DOI: 10.3389/fmicb.2022.981896] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/05/2022] [Indexed: 01/08/2023] Open
Abstract
Enteric viruses are common waterborne pathogens found in environmental water bodies contaminated with either raw or partially treated sewage discharge. Examples of these viruses include adenovirus, rotavirus, noroviruses, and other caliciviruses and enteroviruses like coxsackievirus and polioviruses. They have been linked with gastroenteritis, while some enteric viruses have also been implicated in more severe infections such as encephalitis, meningitis, hepatitis (hepatitis A and E viruses), cancer (polyomavirus), and myocarditis (enteroviruses). Therefore, this review presents information on the occurrence of enteric viruses of public health importance, diseases associated with human exposure to enteric viruses, assessment of their presence in contaminated water, and their removal in water and wastewater sources. In order to prevent illnesses associated with human exposure to viral contaminated water, we suggest the regular viral monitoring of treated wastewater before discharging it into the environment. Furthermore, we highlight the need for more research to focus on the development of more holistic disinfection methods that will inactivate waterborne viruses in municipal wastewater discharges, as this is highly needed to curtail the public health effects of human exposure to contaminated water. Moreover, such a method must be devoid of disinfection by-products that have mutagenic and carcinogenic potential.
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Affiliation(s)
| | - Abimbola Motunrayo Enitan-Folami
- Department of Biotechnology and Food Science, Durban University of Technology, Durban, South Africa
- *Correspondence: Abimbola Motunrayo Enitan-Folami,
| | - Saheed Sabiu
- Department of Biotechnology and Food Science, Durban University of Technology, Durban, South Africa
| | - Joshua Nosa Edokpayi
- Water and Environmental Management Research Group, Engineering and Agriculture, University of Venda, Thohoyandou, South Africa
| | - Feroz Mahomed Swalaha
- Department of Biotechnology and Food Science, Durban University of Technology, Durban, South Africa
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Gholipour S, Hosseini M, Nikaeen M, Hadi M, Sarmadi M, Saderi H, Hassanzadeh A. Quantification of human adenovirus in irrigation water-soil-crop continuum: are consumers of wastewater-irrigated vegetables at risk? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:54561-54570. [PMID: 35304720 DOI: 10.1007/s11356-022-19588-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Because of health concerns regarding the presence of enteric viruses in wastewater effluents, this study was designed to investigate the occurrence of human adenovirus (HAdV) in the irrigation water-soil-crop continuum. Viral particles were extracted from wastewater and wastewater- or water-irrigated soil and crop samples and analyzed using real-time PCR. Concentration of fecal indicator bacteria (FIB) were also determined. Quantitative microbial risk assessment was performed to determine the HAdV illness risk associated with the consumption of wastewater-irrigated vegetables. HAdV-F was detected in 74% of wastewater effluent samples with a mean concentration of 38 Genomic Copy (GC)/mL. HAdV was also detected in wastewater-irrigated soil (2 × 102 GC/g) and crop (< 10 GC/g) samples, with no statistically significant difference in concentrations between wastewater- and freshwater-irrigated samples. The results showed no correlation between concentrations of FIB and HAdV in the analyzed samples. Mean probability of illness risk from consumption of wastewater-irrigated vegetables was 4 × 10-1 per person per year (pppy) which was about two orders of magnitude higher than the proposed value by WHO (10-3 pppy) for safe reuse of wastewater. This finding suggests that the wastewater reuse for irrigation of vegetables eaten raw could pose a threat to human health with respect to the risk of viral illness, signifying stricter management of wastewater reuse. However, because of uncertainties in the QMRA model, particularly the ratio of infectious to non-infectious virus particles, more data is required to validate the predicted risk. This information is especially important in arid and semi-arid regions where high temperatures, UV radiation intensity, and desiccation can efficiently inactivate microorganisms in the environment.
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Affiliation(s)
- Sahar Gholipour
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mona Hosseini
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahnaz Nikaeen
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran.
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Mahdi Hadi
- Center for Water Quality Research (CWQR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdieh Sarmadi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Horieh Saderi
- Molecular Microbiology Research Center (MMRC), Shahed University, Tehran, Iran
| | - Akbar Hassanzadeh
- Department of Statistics & Epidemiology, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
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Furukawa T, Mekata T, Amarasiri M, Sei K. Concentration and reduction efficiency of vancomycin-resistant heterotrophic bacteria and vanA and vanB genes in each wastewater treatment unit processes. J Glob Antimicrob Resist 2022; 30:340-347. [PMID: 35830952 DOI: 10.1016/j.jgar.2022.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/20/2022] [Accepted: 07/05/2022] [Indexed: 10/17/2022] Open
Abstract
OBJECTIVES This study elucidated the distribution and fate of vancomycin (VCM)-resistant heterotrophic bacteria (HTB) and resistance genes, vanA and vanB, during each treatment unit process of a wastewater treatment plant (WWTP). METHODS Several bacterial counts as well as copy numbers of vanA and vanB genes were determined in each wastewater and sludge. In addition, HTB strains isolated from wastewater and sludge were analyzed for VCM susceptibility. Then, the fate and reduction ratios of each bacterial counts, copy numbers of vanA and vanB genes, and the existence ratio of VCM-resistant HTB strains in the wastewater treatment unit process were evaluated. RESULTS VCM-resistant HTB were detected in all wastewater and sludge samples, and their existence ratio decreased along the treatment (92.9% in influent wastewater to 39.4% in chlorinated water). Notably, most of the HTB isolated from the influent wastewater were resistant to 8.0 µg/mL of VCM, strongly suggesting that a significant amount of ARB is flowing into the WWTP from urban areas through the sewerage system. The vanA and vanB genes were also detected in all wastewater and sludge, with high copy numbers (102-104 copies/mL) even in chlorinated water samples. CONCLUSIONS The results revealed that residual VCM-resistant HTB, and resistance genes, which could not be completely removed, were ubiquitously released into the aquatic environment. Furthermore, a high existence ratio of VCM-resistant HTB and high copy numbers of resistance genes were also detected in the sludge, indicating that they are constantly circulating in the wastewater treatment system via the returned sludge.
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Affiliation(s)
- Takashi Furukawa
- Laboratory of Environmental Hygiene, Department of Health Science, School of Allied Health Sciences, Kitasato University, 1-15-1, Kitasato, Sagamihara-Minami, 252-0373, Japan.
| | - Tohru Mekata
- Department of Veterinary Medicine, Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoinooka, Imabari, Ehime 794-8555, Japan.
| | - Mohan Amarasiri
- Laboratory of Environmental Hygiene, Department of Health Science, School of Allied Health Sciences, Kitasato University, 1-15-1, Kitasato, Sagamihara-Minami, 252-0373, Japan.
| | - Kazunari Sei
- Laboratory of Environmental Hygiene, Department of Health Science, School of Allied Health Sciences, Kitasato University, 1-15-1, Kitasato, Sagamihara-Minami, 252-0373, Japan.
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21
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Xu Y, Li H, Li Y, Zheng X, Zhang C, Gao Y, Chen P, Li Q, Tan L. Systematically assess the advancing and limiting factors of using the multi-soil-layering system for treating rural sewage in China: From the economic, social, and environmental perspectives. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 312:114912. [PMID: 35306420 DOI: 10.1016/j.jenvman.2022.114912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/10/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
Solving the problem of rural sewage is considered an essential task in China's rural revitalization strategy. Based on the yearbook data of sewage treatment in rural areas between 2014 and 2019, although the rate of sewage treatment in rural areas of China showed an upward trend, it was still below 35%, mainly due to the lack of suitable sewage treatment technologies. Here, we discuss the multi-soil-layering (MSL) system, which is an emerging technology suitable for rural sewage treatment. It was deemed to overcome the shortcomings of current biological and ecological treatment technologies, such as complex operation, large area, and high operating costs. We used system dynamics to evaluate the advancing and limiting factors of MSL application for rural sewage treatment from the social, environmental, and economic dimensions. The results illustrated a complete causal loop diagram in which essential variables and relationships were concentrated in the technology, operation and maintenance, and satisfaction of farmers. The efficiency of MSL is the key variable affecting the final decision of the MSL application. Overall, using MSL to treat rural sewage could be an option to improve the rural environment in China. However, the scientific technological model for MSL should be further explored. This review provides guidance on how to promote MSL systems in rural areas.
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Affiliation(s)
- Yan Xu
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Houyu Li
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Ye Li
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Xiangqun Zheng
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China.
| | - Chunxue Zhang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Yi Gao
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Peizhen Chen
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Qian Li
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Lu Tan
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China.
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22
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Liu G, Qu J, Rose J, Medema G. Roadmap for Managing SARS-CoV-2 and Other Viruses in the Water Environment for Public Health. ENGINEERING (BEIJING, CHINA) 2022; 12:139-144. [PMID: 33654547 PMCID: PMC7909608 DOI: 10.1016/j.eng.2020.09.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 09/15/2020] [Accepted: 09/24/2020] [Indexed: 05/25/2023]
Abstract
The water sector needs to address viral-related public health issues, because water is a virus carrier, which not only spreads viruses (e.g., via drinking water), but also provides information about the circulation of viruses in the community (e.g., via sewage). It has been widely reported that waterborne viral pathogens are abundant, diverse, complex, and threatening the public health in both developed and developing countries. Meanwhile, there is great potential for viral monitoring that can indicate biosafety, treatment performance and community health. New developments in technology have been rising to meet the emerging challenges over the past decades. Under the current coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the world's attention is directed to the urgent need to tackle the most challenging public health issues related to waterborne viruses. Based on critical analysis of the water viral knowledge progresses and gaps, this article offers a roadmap for managing COVID-19 and other viruses in the water environments for ensuring public health.
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Affiliation(s)
- Gang Liu
- Key Laboratory of Drinking Water Science and Technology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Jiuhui Qu
- Key Laboratory of Drinking Water Science and Technology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Joan Rose
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48823, USA
| | - Gertjan Medema
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48823, USA
- KWR Water Research Institute, Nieuwegein 3433 PE, Netherlands
- Sanitary Engineering, Department of Water Management, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft 2628 CN, Netherlands
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Cuevas-Ferrando E, Pérez-Cataluña A, Falcó I, Randazzo W, Sánchez G. Monitoring Human Viral Pathogens Reveals Potential Hazard for Treated Wastewater Discharge or Reuse. Front Microbiol 2022; 13:836193. [PMID: 35464930 PMCID: PMC9026171 DOI: 10.3389/fmicb.2022.836193] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 02/21/2022] [Indexed: 01/22/2023] Open
Abstract
Wastewater discharge to the environment or its reuse after sanitization poses a concern for public health given the risk of transmission of human viral diseases. However, estimating the viral infectivity along the wastewater cycle presents technical challenges and still remains underexplored. Recently, human-associated crAssphage has been investigated to serve as viral pathogen indicator to monitor fecal impacted water bodies, even though its assessment as biomarker for infectious enteric viruses has not been explored yet. To this end, the occurrence of potentially infectious norovirus genogroup I (GI), norovirus GII, hepatitis A virus (HAV), rotavirus A (RV), and human astrovirus (HAstV) along with crAssphage was investigated in influent and effluent water sampled in four wastewater treatment plants (WWTPs) over 1 year by a PMAxx-based capsid integrity RT-qPCR assay. Moreover, influent and effluent samples of a selected WWTP were additionally assayed by an in situ capture RT-qPCR assay (ISC-RT-qPCR) as estimate for viral infectivity in alternative to PMAxx-RT-qPCR. Overall, our results showed lower viral occurrence and concentration assessed by ISC-RT-qPCR than PMAxx-RT-qPCR. Occurrence of potentially infectious enteric virus was estimated by PMAxx-RT-qPCR as 88–94% in influent and 46–67% in effluent wastewaters with mean titers ranging from 4.77 to 5.89, and from 3.86 to 4.97 log10 GC/L, with the exception of HAV that was sporadically detected. All samples tested positive for crAssphage at concentration ranging from 7.41 to 9.99 log10 GC/L in influent and from 4.56 to 6.96 log10 GC/L in effluent wastewater, showing higher mean concentration than targeted enteric viruses. Data obtained by PMAxx-RT-qPCR showed that crAssphage strongly correlated with norovirus GII (ρ = 0.67, p < 0.05) and weakly with HAstV and RV (ρ = 0.25–0.30, p < 0.05) in influent samples. In effluent wastewater, weak (ρ = 0.27–0.38, p < 0.05) to moderate (ρ = 0.47–0.48, p < 0.05) correlations between crAssphage and targeted viruses were observed. Overall, these results corroborate crAssphage as an indicator for fecal contamination in wastewater but a poor marker for either viral occurrence and viral integrity/infectivity. Despite the viral load reductions detected in effluent compared to influent wastewaters, the estimates of viral infectivity based on viability molecular methods might pose a concern for (re)-using of treated water.
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Jiang SC, Bischel HN, Goel R, Rosso D, Sherchan S, Whiteson KL, Yan T, Solo-Gabriele HM. Integrating Virus Monitoring Strategies for Safe Non-potable Water Reuse. WATER 2022; 14:1187. [PMID: 37622131 PMCID: PMC10448804 DOI: 10.3390/w14081187] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Wastewater reclamation and reuse have the potential to supplement water supplies, offering resiliency in times of drought and helping meet increased water demands associated with population growth. Non-potable water reuse represents the largest potential reuse market. Yet economic constraints for new water reuse infrastructure and safety concerns due to microbial water quality, and especially viral pathogen exposure, limit widespread implementation of water reuse. Cost-effective, real-time methods to measure or indicate viral quality of recycled water would do much to instill greater confidence in the practice. This manuscript discusses advancements in monitoring and modeling of viral health risks in the context of water reuse. First, we describe the current wastewater reclamation processes and treatment technologies with an emphasis on virus removal. Second, we review technologies for the measurement of viruses, both culture- and molecular-based, along with their advantages and disadvantages. We introduce promising viral surrogates and specific pathogenic viruses that can serve as indicators of viral risk for water reuse. We suggest metagenomic analyses for viral screening and flow cytometry for quantification of virus-like particles as new approaches to complement more traditional methods. Third, we describe modeling to assess health risks through quantitative microbial risk assessments (QMRAs), the most common strategy to couple data on virus concentrations with human exposure scenarios. We then explore the potential of artificial neural networks (ANNs) to incorporate suites of data from wastewater treatment processes, water quality parameters, and viral surrogates. We recommend ANNs as a means to utilize existing water quality data, alongside new complementary measures of viral quality, to achieve cost-effective strategies to assess risks associated with infectious human viruses in recycled water. Given the review, we conclude that technologies are ready for identifying and implementing viral surrogates for health risk reduction in the next decade. Incorporating modeling with monitoring data would likely result in more robust assessment of water reuse risk.
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Affiliation(s)
- Sunny C Jiang
- Department of Civil and Environmental Engineering, University of California, Irvine, CA 92697, USA
- Water-Energy Nexus Center, 844G Engineering Tower, University of California, Irvine, CA 92697-2175
| | - Heather N Bischel
- Department of Civil & Environmental Engineering, University of California, Davis CA 95616
| | - Ramesh Goel
- Department of Civil & Environmental Engineering, University of Utah, Salt Lake City, Utah 84112
| | - Diego Rosso
- Department of Civil and Environmental Engineering, University of California, Irvine, CA 92697, USA
- Water-Energy Nexus Center, 844G Engineering Tower, University of California, Irvine, CA 92697-2175
| | - Samendra Sherchan
- Department of Environmental Health sciences, Tulane university, New Orleans, LA 70112
| | - Katrine L Whiteson
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697, USA
| | - Tao Yan
- Department of Civil and Environmental Engineering, and Water Resources Research Center, University of Hawaii at Manoa, HI 96822, USA
| | - Helena M Solo-Gabriele
- Department of Chemical, Environmental, and Materials Engineering, College of Engineering, University of Miami, Coral Gables, FL, 33146, USA
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Monitoring coliphages to reduce waterborne infectious disease transmission in the One Water framework. Int J Hyg Environ Health 2022; 240:113921. [DOI: 10.1016/j.ijheh.2022.113921] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/31/2021] [Accepted: 01/05/2022] [Indexed: 02/07/2023]
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Katagiri N, Kohori K, Takahashi H, Iritani E. Effect of Viruses on Filtration of Polluted Water. KAGAKU KOGAKU RONBUN 2022. [DOI: 10.1252/kakoronbunshu.48.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Kazuma Kohori
- Department of Chemical Systems Engineering, Nagoya University
| | | | - Eiji Iritani
- Department of Chemical Systems Engineering, Nagoya University
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Detection and Phylogenetic Analysis of Hepatitis A Virus in the Wastewater Treatment Plant of Ekbatan Town in Tehran, Iran. HEPATITIS MONTHLY 2022. [DOI: 10.5812/hepatmon.121270] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
Background: Limited sources of fresh water necessitate the application of health policies for treatment and decontamination of human sewage for further use. A wide variety of infectious agents, including bacteria, fungi, parasites, and viruses, can be found in sewage. Enteric viruses such as hepatitis A virus (HAV) can survive the current treatments and infect susceptible hosts. Objectives: This study aimed to evaluate HAV contamination in human sewage before and after treatment in the wastewater treatment plant of Ekbatan town in Tehran, Iran, and analyze the phylogenetic properties of the identified viruses. Methods: Over a 12-month period, we collected the wastewater samples including influent, before chlorination, and effluent, from the wastewater treatment plant of Ekbatan town in Tehran, Iran. Ribonucleic acid (RNA) extraction, complementary deoxyribonucleic acid (cDNA) synthesis, and semi-nested polymerase chain reaction (PCR) were performed to identify HAV contamination. Phylogenetic analysis was performed to investigate subgenotypes of the virus. Results: HAV was detected in all influents and samples before chlorination, while the virus was detected in 50% of the effluent samples. All detected viruses belonged to subgenotype IB. Conclusions: Investigating the presence of HAV in sewage provides a general picture of the virus spread in the population of interest. HAV was detected in all influent samples, indicating that the infection is endemic in this area all year round. This also indicates the inability of the current treatment protocols in virus removal, which can be a threat to the public health.
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Chen C, Guo L, Yang Y, Oguma K, Hou LA. Comparative effectiveness of membrane technologies and disinfection methods for virus elimination in water: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 801:149678. [PMID: 34416607 PMCID: PMC8364419 DOI: 10.1016/j.scitotenv.2021.149678] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/20/2021] [Accepted: 08/11/2021] [Indexed: 05/22/2023]
Abstract
The pandemic of the 2019 novel coronavirus disease (COVID-19) has brought viruses into the public horizon. Since viruses can pose a threat to human health in a low concentration range, seeking efficient virus removal methods has been the research hotspots in the past few years. Herein, a total of 1060 research papers were collected from the Web of Science database to identify technological trends as well as the research status. Based on the analysis results, this review elaborates on the state-of-the-art of membrane filtration and disinfection technologies for the treatment of virus-containing wastewater and drinking water. The results evince that membrane and disinfection methods achieve a broad range of virus removal efficiency (0.5-7 log reduction values (LRVs) and 0.09-8 LRVs, respectively) that is attributable to the various interactions between membranes or disinfectants and viruses having different susceptibility in viral capsid protein and nucleic acid. Moreover, this review discusses the related challenges and potential of membrane and disinfection technologies for customized virus removal in order to prevent the dissemination of the waterborne diseases.
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Affiliation(s)
- Chao Chen
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No.19, Xinjiekouwai Street, Haidian District, Beijing 100875, China.
| | - Lihui Guo
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No.19, Xinjiekouwai Street, Haidian District, Beijing 100875, China.
| | - Yu Yang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No.19, Xinjiekouwai Street, Haidian District, Beijing 100875, China.
| | - Kumiko Oguma
- Department of Urban Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Li-An Hou
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No.19, Xinjiekouwai Street, Haidian District, Beijing 100875, China; Xi'an High-Tech Institute, Xi'an 710025, China.
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Khan AH, Abutaleb A, Khan NA, El Din Mahmoud A, Khursheed A, Kumar M. Co-occurring indicator pathogens for SARS-CoV-2: A review with emphasis on exposure rates and treatment technologies. CASE STUDIES IN CHEMICAL AND ENVIRONMENTAL ENGINEERING 2021; 4:100113. [PMID: 38620839 PMCID: PMC8233050 DOI: 10.1016/j.cscee.2021.100113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 06/19/2021] [Accepted: 06/22/2021] [Indexed: 05/23/2023]
Abstract
Scientific advancements from 2002 to 2020 for coronaviruses, i.e., SARS-CoV and MERS-CoV outbreaks, could lead towards a better understanding of the exposure to a health crisis. However, data on its transmission routes and persistence in the environment is still in need of the hour. In this review, we discuss the impact of environmental matrices on dealing with the consequences of the global COVID-19 outbreak. We have compiled the most recent data on the epidemiology and pathogenesis of the diseases. The review aims to help researchers and the larger public recognize and deal with the consequences of co-occurring viral indicators for COVID-19 and provide nano-technological perspectives of possible diagnostic and treatment tools for further studies. The review highlights environmental wastes such as hospital wastewater effluents, pathogen-laden waste, pathogen-laden ground/surface water, wastewater sludge residues and discusses their potential remediation technologies, i.e., pathogen-contaminated soil disposal, municipal and medical solid waste collection, recycling, and final disposal. Finally, holistic suggestions to tackle environmental-related issues by the scientific community have been provided, where scientists, consultants may involve in a tiered assessment from the hazard to risk management in the post-COVID-19 world.
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Affiliation(s)
- Afzal Husain Khan
- Civil Engineering Department, Jazan University, 114 Jazan, Saudi Arabia
| | - Ahmed Abutaleb
- Chemical Engineering Department, Jazan University, 114 Jazan, Saudi Arabia
| | - Nadeem A Khan
- Civil Engineering Department, Jamia Millia Islamia, New Delhi, India
| | - Alaa El Din Mahmoud
- Environmental Sciences Department, Faculty of Science, Alexandria University, 21511 Alexandria, Egypt
- Green Technology Group, Faculty of Science, Alexandria University, 21511 Alexandria, Egypt
| | - Anwar Khursheed
- Department of Civil Engineering, College of Engineering, King Saud University, PO Box 800, Riyadh 11421, Saudi Arabia
- Department of Civil Engineering, Z. H. College of Engineering, Aligarh Muslim University, Aligarh 202 002, India
| | - Manish Kumar
- Discipline of Earth Sciences, Indian Institute of Technology, Gandhinagar, 382355, India
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Overbey KN, Zachos NC, Coulter C, Schwab KJ. Optimizing Human Intestinal Enteroids for Environmental Monitoring of Human Norovirus. FOOD AND ENVIRONMENTAL VIROLOGY 2021; 13:470-484. [PMID: 34191266 PMCID: PMC8956203 DOI: 10.1007/s12560-021-09486-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 06/23/2021] [Indexed: 05/02/2023]
Abstract
Human noroviruses (HuNoV) are the leading cause of gastrointestinal illness and environmental monitoring is crucial to prevent HuNoV outbreaks. The recent development of a HuNoV cell culture assay in human intestinal enteroids (HIEs) has enabled detection of infectious HuNoV. However, this complex approach requires adaptation of HIEs to facilitate HuNoV replication from environmental matrixes. Integrating data from 200 experiments, we examined six variables: HIE age, HIE basement membrane compounds (BMC), HuNoV inoculum processing, HuNoV inoculum volume, treatment of data below limit of detection (LOD), and cutoff criteria for determining positive HuNoV growth. We infected HIEs with HuNoV GII.4 Sydney positive stool and determined 1.4 × 103 genome equivalents per HIE well were required for HuNoV replication. HIE age had minimal effect on assay outcomes. LOD replacement and cutoff affected data interpretation, with lower values resulting in higher estimated HuNoV detection. Higher inoculum volumes lead to minimal decreases in HuNoV growth, with an optimal volume of 250uL facilitating capture of low concentrations of HuNoVs present in environmental isolates. Processing of HuNoV inoculum is valuable for disinfection studies and concentrating samples but is not necessary for all HIE applications. This work enhances the HuNoV HIE cell culture approach for environmental monitoring. Future HIE research should report cell age as days of growth and should clearly describe BMC choice, LOD handling, and positive cutoff.
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Affiliation(s)
- Katie N Overbey
- Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Nicholas C Zachos
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Caroline Coulter
- Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Kellogg J Schwab
- Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA.
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31
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Ahmad J, Ahmad M, Usman ARA, Al-Wabel MI. Prevalence of human pathogenic viruses in wastewater: A potential transmission risk as well as an effective tool for early outbreak detection for COVID-19. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 298:113486. [PMID: 34391102 PMCID: PMC8352675 DOI: 10.1016/j.jenvman.2021.113486] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 08/01/2021] [Accepted: 08/05/2021] [Indexed: 05/09/2023]
Abstract
Millions of human pathogenic viral particles are shed from infected individuals and introduce into wastewater, subsequently causing waterborne diseases worldwide. These viruses can be transmitted from wastewater to human beings via direct contact and/or ingestion/inhalation of aerosols. Even the advanced wastewater treatment technologies are unable to remove pathogenic viruses from wastewater completely, posing a serious health risk. Recently, coronavirus disease 2019 (COVID-19) has been urged globally due to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), which has resulted in >4.1 million deaths until July 2021. A rapid human-to-human transmission, uncertainties in effective vaccines, non-specific medical treatments, and unclear symptoms compelled the world into complete lockdown, social distancing, air-travel suspension, and closure of educational institutions, subsequently damaging the global economy and trade. Although, few medical treatments, rapid detection tools, and vaccines have been developed so far to curb the spread of COVID-19; however, several uncertainties exist in their applicability. Further, the acceptance of vaccines among communities is lower owing to the fear of side effects such as blood-clotting and heart inflammation. SARS-CoV-2, an etiologic agent of COVID-19, has frequently been detected in wastewater, depicting a potential transmission risk to healthy individuals. Contrarily, the occurrence of SARS-CoV-2 in wastewater can be used as an early outbreak detection tool via water-based epidemiology. Therefore, the spread of SARS-CoV-2 through fecal-oral pathway can be reduced and any possible outbreak can be evaded by proper wastewater surveillance. In this review, wastewater recycling complications, potential health risks of COVID-19 emergence, and current epidemiological measures to control COVID-19 spread have been discussed. Moreover, the viability of SARS-CoV-2 in various environments and survival in wastewater has been reviewed. Additionally, the necessary actions (vaccination, face mask, social distancing, and hand sanitization) to limit the transmission of SARS-CoV-2 have been recommended. Therefore, wastewater surveillance can serve as a feasible, efficient, and reliable epidemiological measure to lessen the spread of COVID-19.
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Affiliation(s)
- Jahangir Ahmad
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia
| | - Munir Ahmad
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia
| | - Adel R A Usman
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia; Department of Soils and Water, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Mohammad I Al-Wabel
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia; Department of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong.
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Feddersen F, Boehm AB, Giddings SN, Wu X, Liden D. Modeling Untreated Wastewater Evolution and Swimmer Illness for Four Wastewater Infrastructure Scenarios in the San Diego-Tijuana (US/MX) Border Region. GEOHEALTH 2021; 5:e2021GH000490. [PMID: 34796313 PMCID: PMC8581746 DOI: 10.1029/2021gh000490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/29/2021] [Accepted: 10/18/2021] [Indexed: 06/13/2023]
Abstract
The popular beaches of the San Diego-Tijuana (US/MX) border region are often impacted by untreated wastewater sourced from Mexico-via the Tijuana River Estuary (TJRE) and San Antonio de los Buenos outfall at the Pt. Bandera (SAB/PTB) shoreline, leading to impacted beaches and human illness. The US-Mexico-Canada trade agreement will fund border infrastructure projects reducing untreated wastewater discharges. However, estimating project benefits such as reduced human illness and beach impacts is challenging. We develop a coupled hydrodynamic, norovirus (NoV) pathogen, and swimmer illness risk model with the wastewater sources for the year 2017. The model is used to evaluate the reduction in human illness and beach impacts under baseline conditions and three infrastructure diversion scenarios which (Scenario A) reduce SAB/PTB discharges and moderately reduce TJRE inflows or (Scenarios B, C) strongly reduce TJRE in inflows only. The model estimates shoreline untreated wastewater and NoV concentrations, and the number of NoV ill swimmers at Imperial Beach CA. In the Baseline, the percentage of swimmers becoming ill is 3.8% over 2017, increasing to 4.5% during the tourist season (Memorial to Labor Day) due to south-swell driven SAB/PTB plumes. Overall, Scenario A provides the largest reduction in ill swimmers and beach impacts for the tourist season and full year. The 2017 tourist season TJRE inflows were not representative of those in 2020, yet, Scenario A likely still provides the greatest benefit in other years. This methodology can be applied to other coastal regions with wastewater inputs.
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Affiliation(s)
| | | | | | - Xiaodong Wu
- Scripps Institution of OceanographyUCSDLa JollaCAUSA
| | - Doug Liden
- Environmental Protection AgencySan DiegoCAUSA
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Yasui M, Iso H, Torii S, Matsui Y, Katayama H. Applicability of pepper mild mottle virus and cucumber green mottle mosaic virus as process indicators of enteric virus removal by membrane processes at a potable reuse facility. WATER RESEARCH 2021; 206:117735. [PMID: 34673461 DOI: 10.1016/j.watres.2021.117735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/25/2021] [Accepted: 09/29/2021] [Indexed: 05/09/2023]
Abstract
Treatment of wastewater for potable reuse is increasingly becoming a suitable alternative water source to meet the growing urban water needs worldwide. Potable reuse requires reduction of enteric viruses to levels at which they do not pose a risk to human health. Advanced water treatment trains (e.g., microfiltration (MF), ultrafiltration (UF), reverse osmosis (RO), and ultraviolet light and advanced oxidation process (UV/AOP)) provide significant protection and reduce virus loads in highly treated final product waters. Even though viruses are a principal concern, the performance of virus removal by membrane processes is not easily determined. The objective of this study was to evaluate the applicability of Aichi virus (AiV), pepper mild mottle virus (PMMoV), cucumber green mottle mosaic virus (CGMMV), and cross-assembly phage (crAssphage) removal as possible process indicators for MF, UF, and RO. Virus log reduction values (LRVs) based on gene copies measured using molecular methods were determined for MF and UF. The median LRVs of all viruses obtained after MF and UF were 2.9 and 3.1, respectively. The LRVs of the proposed indicators were lower than those of human enteric viruses. The morphological and physicochemical difference among indicators was not found to affect LRVs. Therefore, all proposed indicator viruses were determined to be suitable candidates as process indicators for MF and UF. Regarding RO, most of the viruses measured in this study were undetectable in permeate. Only PMMoV and CGMMV were detected showing median LRVs of 2.8 and 2.5, respectively. PMMoV and CGMMV are recommended as good process indicators of physical virus removal for the overall water treatment process.
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Key Words
- AIV, aichi virus
- Abbreviation: MF, microfiltration
- AdV, adenovirus
- CGMMV, cucumber green mottle mosaic virus
- Crassphage, cross-assembly phage
- EF, effluent
- Human enteric virus
- LRV, log reduction value
- MME, molecular method efficiencies
- MNV, Murine Norovirus
- MPC, molecular process control
- Microfiltration
- NV GI, norovirus GI
- NV GII, norovirus GII
- ORSV, Odontoglossum Ringspot Virus
- PCE, primary concentration efficiency
- PMMOV, pepper mild mottle virus
- Process indicator
- RO, reverse osmosis
- Reverse osmosis
- UF, ultrafiltration
- UV/AOP, ultraviolet light and advanced oxidation process
- Ultrafiltration
- Water reuse
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Affiliation(s)
- Midori Yasui
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Hikaru Iso
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Shotaro Torii
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | | | - Hiroyuki Katayama
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.
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Pisharody L, Suresh S, Mukherji S. Development and evaluation of DEAE silica gel columns for simultaneous concentration of coliphages and rotavirus from natural water samples. WATER RESEARCH 2021; 203:117508. [PMID: 34375933 DOI: 10.1016/j.watres.2021.117508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/12/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
Enteric viruses are commonly present in water bodies in regions with poor sanitation. Although the occurrence of these viruses poses a health risk they are difficult to quantify due to their low concentration and they may remain undetected in the absence of adequate preconcentration. The present study reports the synthesis and utilization of DEAE silica gel (DSiG) as an adsorbent for virus concentration. Two coliphages, MS2 and SUSP2, and an enteric virus, rotavirus A (RVA) were chosen for examining the preconcentration efficiency of DSiG columns. Studies conducted at a low flow rate of 5 mL/min yielded good removal of viruses through adsorption. Studies at a higher flow rate of 50 mL/min followed by elution with optimized eluents yielded a high recovery of MS2 and RVA even when they were present at low concentration (0.01 copy/mL). The eluent Na(1.5 M)-Tw(2%)-G3X (glycine 3X broth, 1.5 M NaCl, 2% Tween, pH 10.2) showed maximum elution of RVA and MS2. Optimal SUSP2 recovery was observed on employing an eluent composed of 1.5 M NaCl, 3% Tween, 0.05 M KH2PO4 at pH 9.2. Subsequently, both the eluents were successively applied for elution of the adsorbed viruses. This method was applied for virus preconcentration from lake water in the monsoon and winter seasons. The DSiG column could achieve adequate preconcentration for all the three viruses, i.e., SUSP2, MS2, and RVA, even when they were present at very low concentration and the recovery achieved was comparable to that achieved with ultracentrifugation while the processing time required for handling large volumes of water was considerably lower.
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Affiliation(s)
- Lakshmi Pisharody
- Environmental Science and Engineering Department (ESED), IIT Bombay, Powai, Mumbai - 400 076, India
| | - Sumathi Suresh
- Environmental Science and Engineering Department (ESED), IIT Bombay, Powai, Mumbai - 400 076, India
| | - Suparna Mukherji
- Environmental Science and Engineering Department (ESED), IIT Bombay, Powai, Mumbai - 400 076, India.
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Desdouits M, Piquet JC, Wacrenier C, Le Mennec C, Parnaudeau S, Jousse S, Rocq S, Bigault L, Contrant M, Garry P, Chavanon F, Gabellec R, Lamort L, Lebrun L, Le Gall P, Meteigner C, Schmitt A, Seugnet JL, Serais O, Peltier C, Bressolette-Bodin C, Blanchard Y, Le Guyader FS. Can shellfish be used to monitor SARS-CoV-2 in the coastal environment? THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 778:146270. [PMID: 33714825 PMCID: PMC7938784 DOI: 10.1016/j.scitotenv.2021.146270] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/26/2021] [Accepted: 02/28/2021] [Indexed: 05/21/2023]
Abstract
The emergence and worldwide spread of SARS-CoV-2 raises new concerns and challenges regarding possible environmental contamination by this virus through spillover of human sewage, where it has been detected. The coastal environment, under increasing anthropogenic pressure, is subjected to contamination by a large number of human viruses from sewage, most of them being non-enveloped viruses like norovirus. When reaching coastal waters, they can be bio-accumulated by filter-feeding shellfish species such as oysters. Methods to detect this viral contamination were set up for the detection of non-enveloped enteric viruses, and may need optimization to accommodate enveloped viruses like coronaviruses (CoV). Here, we aimed at assessing methods for the detection of CoV, including SARS-CoV-2, in the coastal environment and testing the possibility that SARS-CoV-2 can contaminate oysters, to monitor the contamination of French shores by SARS-CoV-2 using both seawater and shellfish. Using the porcine epidemic diarrhea virus (PEDV), a CoV, as surrogate for SARS-CoV-2, and Tulane virus, as surrogate for non-enveloped viruses such as norovirus, we assessed and selected methods to detect CoV in seawater and shellfish. Seawater-based methods showed variable and low yields for PEDV. In shellfish, the current norm for norovirus detection was applicable to CoV detection. Both PEDV and heat-inactivated SARS-CoV-2 could contaminate oysters in laboratory settings, with a lower efficiency than a calicivirus used as control. Finally, we applied our methods to seawater and shellfish samples collected from April to August 2020 in France, where we could detect the presence of human norovirus, a marker of human fecal contamination, but not SARS-CoV-2. Together, our results validate methods for the detection of CoV in the coastal environment, including the use of shellfish as sentinels of the microbial quality of their environment, and suggest that SARS-CoV-2 did not contaminate the French shores during the summer season.
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Affiliation(s)
- Marion Desdouits
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Jean-Côme Piquet
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Candice Wacrenier
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Cécile Le Mennec
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Sylvain Parnaudeau
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Sarah Jousse
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Sophie Rocq
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Lionel Bigault
- ANSES, Génétique Virale et Biosécurité, Ploufragan, France
| | - Maud Contrant
- ANSES, Génétique Virale et Biosécurité, Ploufragan, France
| | - Pascal Garry
- Ifremer, laboratoire de Microbiologie, SG2M/LSEM, BP 21105, 44311 Nantes, France
| | - Fabienne Chavanon
- Ifremer, Laboratoire Environnement Ressource Provence-Azur-Corse, la Seyne sur Mer, France
| | - Raoul Gabellec
- Ifremer, Laboratoire Environnement Ressource Morbihan Pays de la Loire, Lorient, France
| | - Laure Lamort
- Ifremer, Laboratoire Environnement Ressource Normandie, Port en Bessin, France
| | - Luc Lebrun
- Ifremer, Laboratoire Environnement Ressource Bretagne Occidentale, Concarneau, France
| | - Patrik Le Gall
- Ifremer, Laboratoire Environnement Ressource Bretagne Nord, Dinard, France
| | - Claire Meteigner
- Ifremer, Laboratoire Environnement Ressource Arcachon, Arcachon, France
| | - Anne Schmitt
- Ifremer, Laboratoire Environnement Ressource Morbihan Pays de la Loire, Lorient, France
| | - Jean Luc Seugnet
- Ifremer, Laboratoire Environnement Ressource Pertuis-Charentais, la Tremblade, France
| | - Ophélie Serais
- Ifremer, Laboratoire Environnement Ressource Languedoc Roussillon, Sète, France
| | - Cécile Peltier
- Nantes Université, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, 44000 Nantes, France
| | - Céline Bressolette-Bodin
- Nantes Université, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, 44000 Nantes, France
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Torre A, Vázquez-Rowe I, Parodi E, Kahhat R. Wastewater treatment decentralization: Is this the right direction for megacities in the Global South? THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 778:146227. [PMID: 33714102 DOI: 10.1016/j.scitotenv.2021.146227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 06/12/2023]
Abstract
The centralization-decentralization dichotomy in wastewater treatment management has been a recurrent topic of discussion in the urban context. The escalation of environmental hazards linked to increasing mismanaged wastewater flows in emerging or developing cities has vivified this conundrum. It is argued that there is a wide range of parameters to identify the optimal level of centralization-decentralization that must be implemented. In many cases, this prevents decision-makers from having a clear picture of the most appropriate management choices that must be undertaken. Hence, the main objective of the current discussion consists of an in-depth comparison between centralized wastewater treatment systems and decentralized systems with source separation in urban environments of the Global South. Moreover, a set of actions that should be considered in order to upgrade wastewater treatment systems amidst the existence of numerous economic, social and environmental constraints are analyzed. Considering the constraints of megacentralization as a preferred option, we argue that decision-makers should restrain from entering a centralization-decentralization dichotomy, seeing the process as a gradient between the two concepts. In fact, we advocate combining the benefits of each of the two perspectives to generate an adaptive management, site-specific solution for urban environments. For this, the inclusion of quantitative management tools, such as life-cycle environmental or cost management methodologies, in multi-objective optimization models, constitutes an interesting path forward towards fostering comprehensive policy support.
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Affiliation(s)
- Andre Torre
- Peruvian Life Cycle Assessment and Industrial Ecology Network (PELCAN), Department of Engineering, Pontificia Universidad Católica del Perú, Avenida Universitaria 1801, San Miguel 15088, Lima, Peru
| | - Ian Vázquez-Rowe
- Peruvian Life Cycle Assessment and Industrial Ecology Network (PELCAN), Department of Engineering, Pontificia Universidad Católica del Perú, Avenida Universitaria 1801, San Miguel 15088, Lima, Peru.
| | - Eduardo Parodi
- Peruvian Life Cycle Assessment and Industrial Ecology Network (PELCAN), Department of Engineering, Pontificia Universidad Católica del Perú, Avenida Universitaria 1801, San Miguel 15088, Lima, Peru
| | - Ramzy Kahhat
- Peruvian Life Cycle Assessment and Industrial Ecology Network (PELCAN), Department of Engineering, Pontificia Universidad Católica del Perú, Avenida Universitaria 1801, San Miguel 15088, Lima, Peru
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Atabakhsh P, Kargar M, Doosti A. Detection and evaluation of rotavirus surveillance methods as viral indicator in the aquatic environments. Braz J Microbiol 2021; 52:811-820. [PMID: 33599964 PMCID: PMC8105488 DOI: 10.1007/s42770-020-00417-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Accepted: 12/21/2020] [Indexed: 12/27/2022] Open
Abstract
Group A rotaviruses (RVAs) have been introduced as the most important causative agents of acute gastroenteritis in the young children. One of every 260 children born globally will die due to rotavirus (RV) before 5 years old. The RV is widely known as a viral indicator for health (fecal contamination) because this pathogen has a high treatment resistance nature, which has been listed as a relevant waterborne pathogen by the World Health Organization (WHO). Therefore, monitoring of environmental is important, and RV is one of the best-known indicators for monitoring. It has been proved that common standards for microbiological water quality do not guarantee the absence of viruses. On the other hand, in order to recover and determine RV quantity within water, standard methods are scarce. Therefore, dependable prediction of RV quantities in water sample is crucial to be able to improve supervision efficiency of the treatment procedure, precise quantitative evaluation of the microbial risks as well as microbiological water safety. Hence, this study aimed to introduce approaches to detecting and controlling RV in environmental waters, and discussed the challenges faced to enable a clear perception on the ubiquity of the RV within different types of water across the world.
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Affiliation(s)
- Paymaneh Atabakhsh
- Department of Microbiology, Isfahan Water and Wastewater Company, Isfahan, Iran
- Department of Microbiology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
| | - Mohammad Kargar
- Department of Microbiology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
| | - Abbas Doosti
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
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Ji B, Zhao Y, Esteve-Núñez A, Liu R, Yang Y, Nzihou A, Tai Y, Wei T, Shen C, Yang Y, Ren B, Wang X, Wang Y. Where do we stand to oversee the coronaviruses in aqueous and aerosol environment? Characteristics of transmission and possible curb strategies. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2021; 413:127522. [PMID: 33132743 PMCID: PMC7590645 DOI: 10.1016/j.cej.2020.127522] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/20/2020] [Accepted: 10/23/2020] [Indexed: 05/08/2023]
Abstract
By 17 October 2020, the severe acute respiratory syndrome coronavirus (SARS-CoV-2) has caused confirmed infection of more than 39,000,000 people in 217 countries and territories globally and still continues to grow. As environmental professionals, understanding how SARS-CoV-2 can be transmitted via water and air environment is a concern. We have to be ready for focusing our attention to the prompt diagnosis and potential infection control procedures of the virus in integrated water and air system. This paper reviews the state-of-the-art information from available sources of published papers, newsletters and large number of scientific websites aimed to provide a comprehensive profile on the transmission characteristics of the coronaviruses in water, sludge, and air environment, especially the water and wastewater treatment systems. The review also focused on proposing the possible curb strategies to monitor and eventually cut off the coronaviruses under the authors' knowledge and understanding.
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Affiliation(s)
- Bin Ji
- Department of Municipal and Environmental Engineering, Faculty of Water Resources and Hydroelectric Engineering, Xi'an University of Technology, Xi'an 710048, PR China
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, PR China
| | - Yaqian Zhao
- Department of Municipal and Environmental Engineering, Faculty of Water Resources and Hydroelectric Engineering, Xi'an University of Technology, Xi'an 710048, PR China
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, PR China
- Dooge Centre for Water Resources Research, School of Civil Engineering, University College Dublin, Belfield, Dublin 4, Ireland
| | | | - Ranbin Liu
- Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies/Beijing Advanced Innovation Center of Future Urban Design, Beijing University of Civil Engineering & Architecture, Beijing 100044, PR China
| | - Yang Yang
- Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China
| | - Ange Nzihou
- Université de Toulouse, IMT Mines Albi, RAPSODEE CNRS, UMR-5302, Jarlard, Albi 81013 Cedex 09, France
| | - Yiping Tai
- Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China
| | - Ting Wei
- Department of Municipal and Environmental Engineering, Faculty of Water Resources and Hydroelectric Engineering, Xi'an University of Technology, Xi'an 710048, PR China
- Chemical Engineering Department, University of Alcalá, Madrid, Spain
| | - Cheng Shen
- Dooge Centre for Water Resources Research, School of Civil Engineering, University College Dublin, Belfield, Dublin 4, Ireland
- School of Environment and Natural Resources, Zhejiang University Sci. & Technol./Zhejiang Prov, Key Lab. of Recycling & Ecotreatment Waste, Hangzhou 310023, Zhejiang, PR China
| | - Yan Yang
- Dooge Centre for Water Resources Research, School of Civil Engineering, University College Dublin, Belfield, Dublin 4, Ireland
| | - Baimimng Ren
- Dooge Centre for Water Resources Research, School of Civil Engineering, University College Dublin, Belfield, Dublin 4, Ireland
- Université de Toulouse, IMT Mines Albi, RAPSODEE CNRS, UMR-5302, Jarlard, Albi 81013 Cedex 09, France
- School of Water and Environment, Chang'an University, Xi'an 710061, PR China
| | - Xingxing Wang
- Xi'an Hospital of Traditional Chinese Medicine, Xi 'an 710021, PR China
| | - Ya'e Wang
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, PR China
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Farkas K, Green E, Rigby D, Cross P, Tyrrel S, Malham SK, Jones DL. Investigating awareness, fear and control associated with norovirus and other pathogens and pollutants using best-worst scaling. Sci Rep 2021; 11:11194. [PMID: 34045602 PMCID: PMC8160009 DOI: 10.1038/s41598-021-90704-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 05/10/2021] [Indexed: 02/04/2023] Open
Abstract
Pollutants found in the water and air environment represent an ever-growing threat to human health. Contact with some air-, water- and foodborne pathogens (e.g. norovirus) results in gastrointestinal diseases and outbreaks. For future risk mitigation, we aimed to measure people's awareness of waterborne and foodborne norovirus relative to other environment-associated pollutants (e.g. pesticides, bioaerosols, antibiotic resistant bacteria) and well-known risks (e.g. diabetes, dementia, terrorist attack). We used an online survey, which included a best-worst scaling component to elicit personal levels of control and fear prompted by norovirus relative to 15 other risks. There was a negative correlation between levels of fear vs. control for all 16 measured risks. Perceived infection control levels were higher amongst women compared to men and correlated with age and the level of qualification in both groups. Participants who had sought advice regarding the symptoms caused by norovirus appeared to have more control over the risks. Norovirus is associated with high levels of fear, however, the levels of control over it is low compared to other foodborne illnesses, e.g. Salmonella. Addressing this deficit in the public's understanding of how to control exposure to the pathogen in an important health need.
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Affiliation(s)
- Kata Farkas
- grid.7362.00000000118820937School of Natural Sciences, Bangor University, Deiniol Road, Bangor, Gwynedd, LL57 2UW UK ,grid.7362.00000000118820937School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey, LL53 5AB UK ,Marine Centre Wales, Menai Bridge, Anglesey, LL59 5AB UK
| | - Emma Green
- grid.7362.00000000118820937School of Natural Sciences, Bangor University, Deiniol Road, Bangor, Gwynedd, LL57 2UW UK
| | - Dan Rigby
- grid.5379.80000000121662407Department of Economics, University of Manchester, Oxford Road, Manchester, M13 9PL UK
| | - Paul Cross
- grid.7362.00000000118820937School of Natural Sciences, Bangor University, Deiniol Road, Bangor, Gwynedd, LL57 2UW UK
| | - Sean Tyrrel
- grid.12026.370000 0001 0679 2190School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL UK
| | - Shelagh K. Malham
- grid.7362.00000000118820937School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey, LL53 5AB UK
| | - David L. Jones
- grid.7362.00000000118820937School of Natural Sciences, Bangor University, Deiniol Road, Bangor, Gwynedd, LL57 2UW UK ,grid.1012.20000 0004 1936 7910UWA Oceans Institute, The University of Western Australia, Perth, WA 6009 Australia
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Kadoya SS, Nishimura O, Kato H, Sano D. Predictive water virology using regularized regression analyses for projecting virus inactivation efficiency in ozone disinfection. WATER RESEARCH X 2021; 11:100093. [PMID: 33665597 PMCID: PMC7903012 DOI: 10.1016/j.wroa.2021.100093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 02/05/2021] [Accepted: 02/06/2021] [Indexed: 05/26/2023]
Abstract
Wastewater reclamation and reuse have been practically applied to water-stressed regions, but waterborne pathogens remaining in insufficiently treated wastewater are of concern. Sanitation Safety Planning adopts the hazard analysis and critical control point (HACCP) approach to manage human health risks upon exposure to reclaimed wastewater. HACCP requires a predetermined reference value (critical limit: CL) at critical control points (CCPs), in which specific parameters are monitored and recorded in real time. A disinfection reactor of a wastewater treatment plant (WWTP) is regarded as a CCP, and one of the CCP parameters is the disinfection intensity (e.g., initial disinfectant concentration and contact time), which is proportional to the log reduction value (LRV) of waterborne pathogens. However, the achievable LRVs are not always stable because the disinfection intensity is affected by water quality parameters, which vary among WWTPs. In this study, we established models for projecting virus LRVs using ozone, in which water quality and operational parameters were used as explanatory variables. For the model construction, we used five machine learning algorithms and found that automatic relevance determination with interaction terms resulted in better prediction performances for norovirus and rotavirus LRVs. Poliovirus and coxsackievirus LRVs were predicted well by a Bayesian ridge with interaction terms and lasso with quadratic terms, respectively. The established models were relatively robust to predict LRV using new datasets that were out of the range of the training data used here, but it is important to collect LRV datasets further to make the models more predictable and flexible for newly obtained datasets. The modeling framework proposed here can help WWTP operators and risk assessors determine the appropriate CL to protect human health in wastewater reclamation and reuse.
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Affiliation(s)
- Syun-suke Kadoya
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8579, Japan
| | - Osamu Nishimura
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8579, Japan
| | - Hiroyuki Kato
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Miyagi, Japan
| | - Daisuke Sano
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8579, Japan
- Department of Frontier Sciences for Advanced Environment, Graduate School of Environmental Studies, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8579, Japan
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Pérez-Cataluña A, Cuevas-Ferrando E, Randazzo W, Sánchez G. Bias of library preparation for virome characterization in untreated and treated wastewaters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 767:144589. [PMID: 33422963 DOI: 10.1016/j.scitotenv.2020.144589] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/11/2020] [Accepted: 12/12/2020] [Indexed: 06/12/2023]
Abstract
The use of metagenomics for virome characterization and its implementation for wastewater analyses, including wastewater-based epidemiology, has increased in the last years. However, the lack of standardized methods can led to highly different results. The aim of this work was to analyze virome profiles in upstream and downstream wastewater samples collected from four wastewater treatment plants (WWTPs) using two different library preparation kits. Viral particles were enriched from wastewater concentrates using a filtration and nuclease digestion procedure prior to total nucleic acid (NA) extraction. Sequencing was performed using the ScriptSeq v2 RNA-Seq (LS) and the NEBNext Ultra II RNA (NB) library preparation kits. Cleaned reads and contigs were annotated using a curated in-house database composed by reads assigned to viruses at NCBI. Significant differences in viral families and in the ratio of detection were shown between the two library kits used. The use of LS library showed Virgaviridae, Microviridae and Siphoviridae as the most abundant families; while Ackermannviridae and Helleviridae were highly represented within the NB library. Additionally, the two sequencing libraries produced outcomes that differed in the detection of viral indicators. These results highlighted the importance of library selection for studying viruses in untreated and treated wastewater. Our results underline the need for further studies to elucidate the influence of sequencing procedures in virome profiles in wastewater matrices in order to improve the knowledge of the virome in the water environment.
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Affiliation(s)
- Alba Pérez-Cataluña
- Department of Preservation and Food Safety Technologies, IATA-CSIC, Avda. Agustin Escardino 7, 46980 Paterna, Valencia, Spain; European Virus Bioinformatics Center, Leutragraben 1, 07743 Jena, Germany.
| | - Enric Cuevas-Ferrando
- Department of Preservation and Food Safety Technologies, IATA-CSIC, Avda. Agustin Escardino 7, 46980 Paterna, Valencia, Spain
| | - Walter Randazzo
- Department of Preservation and Food Safety Technologies, IATA-CSIC, Avda. Agustin Escardino 7, 46980 Paterna, Valencia, Spain; European Virus Bioinformatics Center, Leutragraben 1, 07743 Jena, Germany; Department of Microbiology and Ecology, University of Valencia, Av. Dr. Moliner, 50, 46100 Burjassot, Valencia, Spain
| | - Gloria Sánchez
- Department of Preservation and Food Safety Technologies, IATA-CSIC, Avda. Agustin Escardino 7, 46980 Paterna, Valencia, Spain; European Virus Bioinformatics Center, Leutragraben 1, 07743 Jena, Germany.
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Maal-Bared R, Brisolara K, Munakata N, Bibby K, Gerba C, Sobsey M, Schaefer S, Swift J, Gary L, Sherchan S, Babatola A, Bastian R, Olabode L, Reimers R, Rubin A. Implications of SARS-CoV-2 on current and future operation and management of wastewater systems. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2021; 93:502-515. [PMID: 32866312 DOI: 10.1002/wer.1446] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/22/2020] [Accepted: 08/21/2020] [Indexed: 06/11/2023]
Abstract
While researchers have acknowledged the potential role of environmental scientists, engineers, and industrial hygienists during this pandemic, the role of the water utility professional is often overlooked. The wastewater sector is critical to public health protection and employs collection and treatment system workers who perform tasks with high potential for exposures to biological agents. While various technical guidances and reports have initially provided direction to the water sector, the rapidly growing body of research publications necessitates the constant review of these papers and data synthesis. This paper presents the latest findings and highlights their implications from a water and wastewater utility operation and management perspective. PRACTITIONER POINTS: Extrapolation from SARS-CoV-1 and MERS-CoV, as well as other surrogates, has helped predicting SARS-CoV-2 behavior and risk management. Data from treated wastewater effluent suggest that current processes are sufficient for SARS-CoV-2 control. Scientific evidence supports the possibility of fecal-oral transmission for SARS-CoV-2. Limited evidence supports the potential survival of infective SARS-CoV-2 on surfaces and in aerosols and the efficacy of control measures at reducing transmission. Protective practices and PPE can protect workers from SARS-CoV-2 and other pathogens found in wastewater.
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Affiliation(s)
| | - Kari Brisolara
- Environmental and Occupational Health Sciences, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Naoko Munakata
- Supervising Engineer at the Los Angeles County Sanitation Districts, Los Angeles, CA, USA
| | - Kyle Bibby
- Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, Indiana, USA
| | - Charles Gerba
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA
| | - Mark Sobsey
- Distinguished Professor of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | | | | | - Lee Gary
- Tulane University and Instructor with the Basic Academy at the FEMA/Emergency Management Institute, Emmitsburg, MD, USA
| | - Samendra Sherchan
- Tulane School of Public Health and Tropical Medicine, New Orleans, LA, USA
| | - Akin Babatola
- Laboratory and Environmental Compliance Manager, Santa Cruz, San Francisco, CA, USA
| | | | - Lola Olabode
- School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA
| | | | - Albert Rubin
- Department of Biological and Agricultural Engineering, North Carolina State University, Raleigh, NC, USA
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Torii S, Miura F, Itamochi M, Haga K, Katayama K, Katayama H. Impact of the Heterogeneity in Free Chlorine, UV 254, and Ozone Susceptibilities Among Coxsackievirus B5 on the Prediction of the Overall Inactivation Efficiency. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:3156-3164. [PMID: 33583178 DOI: 10.1021/acs.est.0c07796] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The disinfection susceptibilities of viruses vary even among variants, yet the inactivation efficiency of a certain virus genotype, species, or genus was determined based on the susceptibility of its laboratory strain. The objectives were to evaluate the variability in susceptibilities to free chlorine, UV254, and ozone among 13 variants of coxsackievirus B5 (CVB5) and develop the model allowing for predicting the overall inactivation of heterogeneous CVB5. Our results showed that the susceptibilities differed by up to 3.4-fold, 1.3-fold, and 1.8-fold in free chlorine, UV254, and ozone, respectively. CVB5 in genogroup B exhibited significantly lower susceptibility to free chlorine and ozone than genogroup A, where the laboratory strain, Faulkner, belongs. The capsid protein in genogroup B contained a lower number of sulfur-containing amino acids, readily reactive to oxidants. We reformulated the Chick-Watson model by incorporating the probability distributions of inactivation rate constants to capture the heterogeneity. This expanded Chick-Watson model indicated that up to 4.2-fold larger free chlorine CT is required to achieve 6-log inactivation of CVB5 than the prediction by the Faulkner strain. Therefore, it is recommended to incorporate the variation in disinfection susceptibilities for predicting the overall inactivation of a certain type of viruses.
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Affiliation(s)
- Shotaro Torii
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan
| | - Fuminari Miura
- Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 3, Matsuyama-shi, Ehime 790-8577, Japan
| | - Masae Itamochi
- Department of Virology, Toyama Institute of Health, 17-1 Nakataikoyama, Imizu-shi, Toyama 939-0363, Japan
| | - Kei Haga
- Laboratory of Viral Infection I, Department of Infection Control and Immunology, O̅mura Satoshi Memorial Institute & Graduate School of Infection Control Sciences, Kitasato University, Tokyo 108-8641, Japan
| | - Kazuhiko Katayama
- Laboratory of Viral Infection I, Department of Infection Control and Immunology, O̅mura Satoshi Memorial Institute & Graduate School of Infection Control Sciences, Kitasato University, Tokyo 108-8641, Japan
| | - Hiroyuki Katayama
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan
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Kittigul L, Pombubpa K. Rotavirus Surveillance in Tap Water, Recycled Water, and Sewage Sludge in Thailand: A Longitudinal Study, 2007-2018. FOOD AND ENVIRONMENTAL VIROLOGY 2021; 13:53-63. [PMID: 33128701 DOI: 10.1007/s12560-020-09450-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/25/2020] [Indexed: 05/21/2023]
Abstract
The objective of this study was to describe the epidemiological and molecular surveillance of rotaviruses in tap water, recycled water, and sewage sludge in Thailand from 2007 to 2018. Three hundred and seventy tap water, 202 recycled water, and 72 sewage sludge samples were collected and processed to detect the rotavirus VP7 gene using RT-nested PCR. Rotavirus G genotypes were identified by DNA sequencing and phylogenetic analysis. The frequency of rotavirus detection was 0.54% of the tap water samples, 30.2% of the recycled water samples, and 50.0% of the sewage sludge samples. During the 12-year surveillance, G1 was prevalent most years and constantly predominant in recycled water and sewage sludge. G2 was identified in a tap water sample and in recycled water samples. G3 and G9 were observed in both recycled water and sewage sludge samples. The uncommon G6 rotavirus strain was identified in one recycled water sample. The rotavirus VP4 gene was detected in rotavirus strains with an identified G genotype using RT-multiplex nested PCR. The unusual P[6] genotype was the most frequently detected, followed by mixed P[6]/[4] and P[4] genotypes. Phylogenetic analysis of both G and P genotypes showed a close genetic relationship with sequences of human rotavirus strains. The high nucleotide identity of the rotavirus strains found in this study to human rotavirus strains suggests that the rotaviruses are derived from human source. These results represent useful epidemiological and molecular information for evaluating rotavirus distribution in water for consumption and irrigation, and in biosolids for agricultural application.
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Affiliation(s)
- Leera Kittigul
- Department of Microbiology, Faculty of Public Health, Mahidol University, 420/1 Ratchawithi Road, Bangkok, 10400, Thailand.
| | - Kannika Pombubpa
- Department of Microbiology, Faculty of Public Health, Mahidol University, 420/1 Ratchawithi Road, Bangkok, 10400, Thailand
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46
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Zhu Y, Chen R, Li YY, Sano D. Virus removal by membrane bioreactors: A review of mechanism investigation and modeling efforts. WATER RESEARCH 2021; 188:116522. [PMID: 33091802 DOI: 10.1016/j.watres.2020.116522] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 08/07/2020] [Accepted: 10/13/2020] [Indexed: 05/09/2023]
Abstract
The increasing pressure on the global water supply calls for more advanced solutions with higher efficiency and better sustainability, leading to the promptly developing water reclamation and reuse schemes including treatment technologies and risk management strategies where microbial safety is becoming a crucial aspect in the interest of public health. Backed up by the development of membrane technology, membrane bioreactors (MBR) have received substantial attention for their superiority over conventional treatment methods in many ways and are considered promising in the water reclamation realm. This review paper provides an overview of the efforts made to manage and control the potential waterborne viral disease risks raised by the use of effluent from MBR treatment processes, including the mechanisms involved in the virus removal process and the attempts to model the dynamics of the removal process. In principle, generalized and integrated virus removal models that provide insight into real-time monitoring are urgently needed for advanced real-time control purpose. Future studies of approaches that can well handle the inherent uncertainty and nonlinearity of the complex removal process are crucial to the development and promotion of related technologies.
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Affiliation(s)
- Yifan Zhu
- Department of Frontier Sciences for Advanced Environment, Graduate School of Environmental Studies, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
| | - Rong Chen
- Key Laboratory of Northwest Water Resource, Ecology and Environment, Ministry of Education, Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Yu-You Li
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
| | - Daisuke Sano
- Department of Frontier Sciences for Advanced Environment, Graduate School of Environmental Studies, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan; Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba 6-6-06, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan.
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47
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Adelodun B, Ajibade FO, Ighalo JO, Odey G, Ibrahim RG, Kareem KY, Bakare HO, Tiamiyu AO, Ajibade TF, Abdulkadir TS, Adeniran KA, Choi KS. Assessment of socioeconomic inequality based on virus-contaminated water usage in developing countries: A review. ENVIRONMENTAL RESEARCH 2021; 192:110309. [PMID: 33045227 DOI: 10.1016/j.envre.2020.110309] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/20/2020] [Accepted: 10/04/2020] [Indexed: 05/24/2023]
Abstract
Water is an essential resource required for various human activities such as drinking, cooking, and other recreational activities. While developed nations have made significant improvement in providing adequate quality water and sanitation devoid of virus contaminations to a significant percentage of the residences, many of the developing countries are still lacking in these regards, leading to many death cases among the vulnerable due to ingestion of virus-contaminated water and other waterborne pathogens. However, the recent global pandemic of COVID-19 seems to have changed the paradigm by reawakening the importance of water quality and sanitation, and focusing more attention on the pervasive effect of the use of virus-contaminated water as it can be a potential driver for the spread of the virus and other waterborne diseases, especially in developing nations that are characterized by low socioeconomic development. Therefore, this review assessed the socioeconomic inequalities related to the usage of virus-contaminated water and other waterborne pathogens in developing countries. The socioeconomic factors attributed to the various waterborne diseases due to the use of virus-contaminated water in many developing countries are poverty, the standard of living, access to health care facilities, age, gender, and level of education. Some mitigation strategies to address the viral contamination of water sources are therefore proposed, while future scope and recommendations on tackling the essential issues related to socioeconomic inequality in developing nations are highlighted.
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Affiliation(s)
- Bashir Adelodun
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu, South Korea; Department of Agricultural and Biosystems Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria.
| | - Fidelis Odedishemi Ajibade
- Department of Civil and Environmental Engineering, Federal University of Technology, PMB 704, Akure, Nigeria; Key Laboratory of Environmental Biotechnology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Joshua O Ighalo
- Department of Chemical Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria; Department of Chemical Engineering, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
| | - Golden Odey
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu, South Korea
| | | | - Kola Yusuff Kareem
- Department of Agricultural and Biosystems Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria
| | | | | | - Temitope F Ajibade
- Department of Civil and Environmental Engineering, Federal University of Technology, PMB 704, Akure, Nigeria; University of Chinese Academy of Sciences, Beijing, 100049, PR China; Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, PR China
| | | | - Kamoru Akanni Adeniran
- Department of Agricultural and Biosystems Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria
| | - Kyung Sook Choi
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu, South Korea; Institute of Agricultural Science & Technology, Kyungpook, National University, Daegu, South Korea.
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48
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Yang YL, Wu Y, Lu YX, Cai Y, He Z, Yang XL, Song HL. A comprehensive review of nutrient-energy-water-solute recovery by hybrid osmotic membrane bioreactors. BIORESOURCE TECHNOLOGY 2021; 320:124300. [PMID: 33129093 DOI: 10.1016/j.biortech.2020.124300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/15/2020] [Accepted: 10/17/2020] [Indexed: 05/26/2023]
Abstract
Hybrid osmotic membrane bioreactor (OMBR) takes advantage of the cooperation of varying biological or desalination processes and can achieve NEWS (nutrient-energy-water-solute) recovery from wastewater. However, a lack of universal parameters hinders our understanding. Herein, system configurations and new parameters are systematically investigated to help better evaluate recovery performance. High-quality water can be produced in reverse osmosis/membrane distillation-based OMBRs, but high operation cost limits their application. Although bioelectrochemical system (BES)/electrodialysis-based OMBRs can effectively achieve solute recovery, operation parameters should be optimized. Nutrients can be recovered from various wastewater by porous membrane-based OMBRs, but additional processes increase operation cost. Electricity recovery can be achieved in BES-based OMBRs, but energy balances are negative. Although anaerobic OMBRs are energy-efficient, salinity accumulation limits methane productions. Additional efforts must be made to alleviate membrane fouling, control salinity accumulation, optimize recovery efficiency, and reduce operation cost. This review will accelerate hybrid OMBR development for real-world applications.
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Affiliation(s)
- Yu-Li Yang
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China
| | - You Wu
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China
| | - Yu-Xiang Lu
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China
| | - Yun Cai
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China
| | - Zhen He
- Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Xiao-Li Yang
- School of Civil Engineering, Southeast University, Nanjing 211189, China
| | - Hai-Liang Song
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China.
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Adelodun B, Ajibade FO, Ighalo JO, Odey G, Ibrahim RG, Kareem KY, Bakare HO, Tiamiyu AO, Ajibade TF, Abdulkadir TS, Adeniran KA, Choi KS. Assessment of socioeconomic inequality based on virus-contaminated water usage in developing countries: A review. ENVIRONMENTAL RESEARCH 2021; 192:110309. [PMID: 33045227 PMCID: PMC7546968 DOI: 10.1016/j.envres.2020.110309] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/20/2020] [Accepted: 10/04/2020] [Indexed: 05/05/2023]
Abstract
Water is an essential resource required for various human activities such as drinking, cooking, and other recreational activities. While developed nations have made significant improvement in providing adequate quality water and sanitation devoid of virus contaminations to a significant percentage of the residences, many of the developing countries are still lacking in these regards, leading to many death cases among the vulnerable due to ingestion of virus-contaminated water and other waterborne pathogens. However, the recent global pandemic of COVID-19 seems to have changed the paradigm by reawakening the importance of water quality and sanitation, and focusing more attention on the pervasive effect of the use of virus-contaminated water as it can be a potential driver for the spread of the virus and other waterborne diseases, especially in developing nations that are characterized by low socioeconomic development. Therefore, this review assessed the socioeconomic inequalities related to the usage of virus-contaminated water and other waterborne pathogens in developing countries. The socioeconomic factors attributed to the various waterborne diseases due to the use of virus-contaminated water in many developing countries are poverty, the standard of living, access to health care facilities, age, gender, and level of education. Some mitigation strategies to address the viral contamination of water sources are therefore proposed, while future scope and recommendations on tackling the essential issues related to socioeconomic inequality in developing nations are highlighted.
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Affiliation(s)
- Bashir Adelodun
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu, South Korea; Department of Agricultural and Biosystems Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria.
| | - Fidelis Odedishemi Ajibade
- Department of Civil and Environmental Engineering, Federal University of Technology, PMB 704, Akure, Nigeria; Key Laboratory of Environmental Biotechnology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Joshua O Ighalo
- Department of Chemical Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria; Department of Chemical Engineering, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
| | - Golden Odey
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu, South Korea
| | | | - Kola Yusuff Kareem
- Department of Agricultural and Biosystems Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria
| | | | | | - Temitope F Ajibade
- Department of Civil and Environmental Engineering, Federal University of Technology, PMB 704, Akure, Nigeria; University of Chinese Academy of Sciences, Beijing, 100049, PR China; Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, PR China
| | | | - Kamoru Akanni Adeniran
- Department of Agricultural and Biosystems Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria
| | - Kyung Sook Choi
- Department of Agricultural Civil Engineering, Kyungpook National University, Daegu, South Korea; Institute of Agricultural Science & Technology, Kyungpook, National University, Daegu, South Korea.
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50
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Torii S, Itamochi M, Katayama H. Inactivation kinetics of waterborne virus by ozone determined by a continuous quench flow system. WATER RESEARCH 2020; 186:116291. [PMID: 32836147 DOI: 10.1016/j.watres.2020.116291] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/07/2020] [Accepted: 08/09/2020] [Indexed: 05/22/2023]
Abstract
Ozone has a strong oxidation power that allows effective inactivation of waterborne viruses. Few studies have accurately measured the kinetic relationship between virus inactivation and ozone exposure, because the high reactivity of ozone makes it difficult to measure them simultaneously. A continuous quench flow system (CQFS) is a possible solution for analyzing such a fast reaction; however, previous studies reported that CQFS provided different results of inactivation rate constants from the batch system. The objectives of this study were (1) to develop a CQFS to evaluate the kinetics of microbial inactivation accurately, (2) to evaluate the inactivation rate constants of waterborne virus by ozone, and (3) to compare the results with previous studies. The results indicated that the simple plug flow assumption in the reaction tube of CQFS led to underestimation of the rate constants. The accurate measurement of rate constants was achieved by the pseudo-first-order reaction model that takes the residence time distribution (RTD; i.e., the laminar flow assumption) into account. The results of inactivation experiments suggested that the resistance of viruses were getting higher in the following order: Qβ < MS2, fr, GA < CVB5 Faulkner, φX-174, PV1 Sabin, CVB3 Nancy. The environmental isolates of CVB3 and CVB5 had a 2-fold higher resistance compared with their lab strains. Predicted CT values for 4-log inactivation ranged from 0.018 mg sec L-1 (Qβ) to 0.31 mg sec L-1 (CVB3 Environmental strain). The required CT values for 4-log PV1 inactivation was 0.15 mg sec L-1, which was 166-fold smaller than those reported in the United States Environmental Protection Agency guidance manuals. The overestimation in previous studies was due to the sparse assumption of RTD in the reactor. Consequently, the required ozone CT values for virus inactivation should be reconsidered to minimize the health risks and environmental costs in water treatment.
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Affiliation(s)
- Shotaro Torii
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.
| | - Masae Itamochi
- Department of Virology, Toyama Institute of Health, 17-1 Nakataikoyama, Imizu-shi, Toyama, Japan
| | - Hiroyuki Katayama
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
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