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Chen ZW, Hua ZL. Effect of Co-exposure to Additional Substances on the Bioconcentration of Per(poly)fluoroalkyl Substances: A Meta-Analysis Based on Hydroponic Experimental Evidence. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024:10.1007/s00244-024-01087-5. [PMID: 39367139 DOI: 10.1007/s00244-024-01087-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 08/22/2024] [Indexed: 10/06/2024]
Abstract
A consensus has yet to emerge regarding the bioconcentration responses of per(poly)fluoroalkyl substances under co-exposure with other additional substances in aqueous environments. This study employed a meta-analysis to systematically investigate the aforementioned issues on the basis of 1,085 published datasets of indoor hydroponic simulation experiments. A hierarchical meta-analysis model with an embedded variance covariance matrix was constructed to eliminate the non-independence and shared controls of the data. Overall, the co-exposure resulted in a notable reduction in PFAS bioaccumulation (cumulative effect size, CES = - 0.4287, p < 0.05) and bioconcentration factor (R2 = 0.9507, k < 1, b < 0) in hydroponics. In particular, the inhibition of PFAS bioconcentration induced by dissolved organic matter (percentage form of the effect size, ESP = - 48.98%) was more pronounced than that induced by metal ions (ESP = - 35.54%), particulate matter (ESP = - 24.70%) and persistent organic pollutants (ESP = - 18.66%). A lower AS concentration and a lower concentration ratio of ASs to PFASs significantly promote PFAS bioaccumulation (p < 0.05). The bioaccumulation of PFASs with long chains or high fluoride contents tended to be exacerbated in the presence of ASs. Furthermore, the effect on PFAS bioaccumulation was also significantly dependent on the duration of co-exposure (p < 0.05). The findings of this study provide novel insights into the fate and bioconcentration of PFAS in aquatic environments under co-exposure conditions.
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Affiliation(s)
- Zi-Wei Chen
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing, 210098, People's Republic of China
| | - Zu-Lin Hua
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing, 210098, People's Republic of China.
- Yangtze Institute for Conservation and Development, Nanjing, 210098, People's Republic of China.
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Ornelas Van Horne Y, Nigra AE. Invited Perspective: The All About Arsenic Program-A Blueprint for Leveraging Youth Engagement to Advance Water Justice. ENVIRONMENTAL HEALTH PERSPECTIVES 2024; 132:81301. [PMID: 39166866 PMCID: PMC11338037 DOI: 10.1289/ehp15068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/13/2024] [Accepted: 07/23/2024] [Indexed: 08/23/2024]
Affiliation(s)
- Yoshira Ornelas Van Horne
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, New York, USA
| | - Anne E. Nigra
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, New York, USA
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Hochard J, Abashidze N, Bawa R, Etheridge R, Li Y, Peralta A, Sims C, Vogel T. Air temperature spikes increase bacteria presence in drinking water wells downstream of hog lagoons. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 867:161426. [PMID: 36623652 DOI: 10.1016/j.scitotenv.2023.161426] [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: 07/06/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
>44 million United States residents depend on private drinking water wells that are federally unregulated. Maintaining a clean groundwater supply for populations without access to public water systems is essential to supporting public health and falls to state regulators and private well owners. Yet, monitoring practices do not reflect the fact that groundwater pollution risk varies seasonally and with proximity to nearby surface-contaminated sites. Examination of nearly 50,000 well water samples across North Carolina, ranked second nationally in domestic well dependence and swine production, from 2013 to 2018 reveals a uniform sampling schedule but a variable risk of bacterial contamination within each calendar year. We document a threshold of 32.2 °C (90 °F) where total coliform bacteria and Escherichia coli (E. coli) detection in private well water spikes near swine lagoons but is absent from "upstream" wells and otherwise unexplained by a variety of other known contamination sites. Closing the gap between perceived and actual risks of drinking water contamination has potential to improve public health. State regulations and federal guidelines should consider coordinating domestic well sampling with seasonally and spatially fluctuating risks of groundwater contamination. Findings from this study are generalizable, having implications for other parts of the world with water sources that have the potential to get contaminated by nearby surface sources of human and animal waste, such as manure applications and leaching septic systems.
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Affiliation(s)
- Jacob Hochard
- Haub School of Environment and Natural Resources, University of Wyoming, USA.
| | - Nino Abashidze
- Haub School of Environment and Natural Resources, University of Wyoming, USA
| | - Ranjit Bawa
- Department of Natural Resources and the Environment, University of New Hampshire, 56 College Road, Durham, NH 03824, USA
| | - Randall Etheridge
- Department of Engineering and Center for Sustainable Energy and Environmental Engineering, East Carolina University, East Fifth Street, Greenville, NC 27858, USA
| | - Yuanhao Li
- SNF - Centre for Applied Research, Norwegian School of Economics, Helleveien 30, 5045 Bergen, Norway
| | - Ariane Peralta
- Department of Biology, East Carolina University, East Fifth Street, Greenville, NC 27858, USA
| | - Charles Sims
- Department of Economics and Howard H. Baker Jr. Center for Public Policy, University of Tennessee, 1640 Cumberland Avenue, Knoxville, TN 37996-3340, USA
| | - Tom Vogel
- Coastal Studies Institute, East Carolina University, East Fifth Street, Greenville, NC 27858, USA
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Wang Z, Xue W, Qi F, Zhang Z, Li C, Cao X, Cui X, Wang N, Cui Z. How do different arsenic species affect the joint toxicity of perfluorooctanoic acid and arsenic to earthworm Eisenia fetida: A multi-biomarker approach. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 251:114528. [PMID: 36640577 DOI: 10.1016/j.ecoenv.2023.114528] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/22/2022] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
Perfluorooctanoic acid (PFOA) and arsenic are widely distributed pollutants and can coexist in the environment. However, no study has been reported about the effects of different arsenic species on the joint toxicity of arsenic and PFOA to soil invertebrates. In this study, four arsenic species were selected, including arsenite (As(III)), arsenate (As(V)), monomethylarsonate (MMA), and dimethylarsinate (DMA). Earthworms Eisenia fetida were exposed to soils spiked with sublethal concentrations of PFOA, different arsenic species, and their binary mixtures for 56 days. The bioaccumulation and biotransformation of pollutants, as well as eight biomarkers in organisms, were assayed. The results indicated that the coexistence of PFOA and different arsenic species in soils could enhance the bioavailability of arsenic species while reducing the bioavailability of PFOA, and inhibit the arsenic biotransformation process in earthworms. Responses of most biomarkers in joint treatments of PFOA and As(III)/As(V) showed more significant variations compared with those in single treatments, indicating higher toxicity to the earthworms. The Integrated Biomarker Response (IBR) index was used to integrate the multi-biomarker responses, and the results also exhibited enhanced toxic effects in combined treatments of inorganic arsenic and PFOA. In comparison, both the biomarker variations and IBR values were lower in joint treatments of PFOA and MMA/DMA. Then the toxic interactions in the binary mixture systems were characterized by using a combined method of IBR and Effect Addition Index. The results revealed that the toxic interactions of the PFOA/arsenic mixture in earthworms depended on the different species of arsenic. The combined exposure of PFOA with inorganic arsenic led to a synergistic interaction, while that with organic arsenic resulted in an antagonistic response. Overall, this study provides new insights into the assessment of the joint toxicity of perfluoroalkyl substances and arsenic in soil ecosystems.
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Affiliation(s)
- Zhifeng Wang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan 250101, China.
| | - Weina Xue
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan 250101, China
| | - Fangjie Qi
- Global Centre for Environmental Research (GCER), Advanced Technology Center (ATC) Building, Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Zhibin Zhang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan 250101, China.
| | - Chaona Li
- Experimental Testing Team of Jiangxi Geological Bureau, No.101 Hongduzhong Avenue, Nanchang 330002, China
| | - Xiufeng Cao
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan 250101, China
| | - Xiaowei Cui
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan 250101, China
| | - Ning Wang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan 250101, China
| | - Zhaojie Cui
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan 250101, China; School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Qingdao 266237, China
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Wilson AM, Victory KR, Reynolds KA, Cabrera NL, Larson D, Latura J, Sexton JD, Burgess JL, Beamer PI. Measured and Modeled Comparisons of Chemical and Microbial Contaminants in Tap and Bottled Water in a US-Mexico Border Community. ACS ES&T WATER 2022; 2:2657-2667. [PMID: 37810444 PMCID: PMC10552926 DOI: 10.1021/acsestwater.2c00400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Tap water quality concerns and advertisements often drive increased bottled water consumption, especially in communities with historical tap water quality problems (e.g., Nogales, Arizona). The study objective was to assess contamination of municipal tap and bottled water in Nogales, Arizona. Bottled (sealed, open/partially consumed bottles, and reusable containers for vended water) and tap water samples were collected from 30 homes and analyzed for chemical and microbial contaminants. Fisher exact tests and Wilcoxon rank sum tests were used to compare proportions of positive samples and contaminant concentrations between tap and bottled water samples. While none of the chemical contaminants were above MCLs, there were statistically significantly greater concentrations and proportions of positive samples for some contaminants, including arsenic, in tap vs. bottled water. E. coli concentrations were >0 CFU/100mL in some unsealed bottled water samples but not for sealed bottles. This study demonstrates that 1) the measured concentrations in tap and bottled water likely pose low risks, as they are below the MCLs, 2) more education in this community on hygiene maintenance of refillable or opened bottled water containers is needed, and 3) using tap water over bottled water is advantageous due to likely lower E. coli risk and lower cost.
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Affiliation(s)
- Amanda M Wilson
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, United States
| | - Kerton R Victory
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, United States
| | - Kelly A Reynolds
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, United States
| | - Nolan L Cabrera
- Center for the Study of Higher Education, University of Arizona, Tucson, Arizona, United States
| | - Daniela Larson
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, United States
| | - Joyce Latura
- Mariposa Community Health Center, Nogales, Arizona, United States
| | - Jonathan D Sexton
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, United States
| | - Jefferey L Burgess
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, United States
| | - Paloma I Beamer
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, United States
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Wang Z, Qi F, Shi Y, Zhang Z, Liu L, Li C, Meng L. Evaluation of single and joint toxicity of perfluorooctanoic acid and arsenite to earthworm (Eisenia fetida): A multi-biomarker approach. CHEMOSPHERE 2022; 291:132942. [PMID: 34793848 DOI: 10.1016/j.chemosphere.2021.132942] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 10/25/2021] [Accepted: 11/14/2021] [Indexed: 06/13/2023]
Abstract
Perfluorooctanoic acid (PFOA) and arsenic are ubiquitous environmental contaminants and could co-exist in soil. However, data on their possible combined toxic effects on terrestrial organisms are still lacking. In this study, we exposed earthworm Eisenia fetida to artificial soil spiked with different sub-lethal levels of PFOA, arsenite (As(III)) or their mixture for 28 days. The bioaccumulation and multi-biomarker responses in the earthworms were measured. Results showed that the co-existence of PFOA and As(III) in soil enhanced the bioaccumulation of arsenic while reduced the bioaccumulation of PFOA. Most selected biomarkers exhibited significant responses at higher exposure levels and indicated oxidative damages. Biomarker Response Index (BRI) was used to integrate the multi-biomarker responses and the results showed significant dose-effect relationships between biological health status and exposure levels. Moreover, variation analysis of multi-biomarkers and BRI proved that As(III) exhibited more toxicity than PFOA to the earthworms. Based on BRI results, Effect Addition Index (EAI) was calculated to evaluate the joint effects of the two toxicants. According to EAI, the joint toxicity of PFOA and As(III) was related to exposure concentration, changing from synergism to slight antagonism with the increase of exposure level. These results provide valuable toxicological information for the risk assessment of co-exposure to PFOA and arsenic in the soil environment. Moreover, this study proved that BRI is an effective tool to integrate multi-biomarker responses, and its combination with EAI provides a useful combined approach to evaluate the joint effects of mixed contamination systems.
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Affiliation(s)
- Zhifeng Wang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, PR China.
| | - Fangjie Qi
- Global Centre for Environmental Research (GCER), Advanced Technology Center (ATC) Building, Faculty of Science, The University of Newcastle, Callaghan, NSW, 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Yanfeng Shi
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, PR China
| | - Zhibin Zhang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, PR China
| | - Lei Liu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, PR China
| | - Chaona Li
- Test and Research Center of Jiangxi Nuclear Industry Geological Bureau, No.101 Hongduzhong Avenue, Nanchang, 330002, PR China
| | - Lei Meng
- Test and Research Center of Jiangxi Nuclear Industry Geological Bureau, No.101 Hongduzhong Avenue, Nanchang, 330002, PR China
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Lertassavakorn T, Pholphana N, Rangkadilok N, Suriyo T, Satayavivad J. Determination of perfluorooctane sulphonate and perfluorooctanoic acid in seafood and water from Map Ta Phut Industrial Estate area, Thailand. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 38:1-16. [PMID: 34077336 DOI: 10.1080/19440049.2021.1921281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 04/16/2021] [Indexed: 10/21/2022]
Abstract
This initial study aimed to determine the concentrations of perfluorooctane sulphonate (PFOS) and perfluorooctanoic acid (PFOA) in seafood, bottled drinking water, and surface and tap water collected from Map Ta Phut Industrial Estate in Rayong province, Thailand. Samples were collected during dry (January) and wet (June) seasons, 2019. The perfluorinated compounds were cleaned up by solid phase extraction and analysed by ultra-performance liquid chromatography-tandem mass spectrometry with stable isotopic labelled internal standards (13C8-PFOS and 13C8-PFOA). This study reports concentrations of PFOS and PFOA in seafood at levels between 29-6724 and <48-421 ng/kg wet weight, respectively. Surface water samples from rivers and the coastal sea had PFOS and PFOA between 0.60-465.65 and <0.25-59.29 ng/L, respectively. Contamination of PFOS and PFOA in bottled drinking water (<0.125-0.454 and <0.25-0.621 ng/L, respectively) did not exceed the USEPA standard of 70 ng/L. Concentrations of PFOS and PFOA in seafood and water samples between seasons did not show any definite trend. Seafood dietary assessments of PFOS exposure in the seafood eater population raised a health concern, as the exposure exceeded the latest EFSA tolerable weekly intake value for PFAS mixtures (4.4 ng/kg body weight/week). Therefore, environmental and food samples from Map Ta Phut area should be closely monitored to ensure the safety of people living in and around this area.
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Affiliation(s)
- Teerapong Lertassavakorn
- Environmental Toxicology Program, Chulabhorn Graduate Institute (CGI), Chulabhorn Royal Academy, Bangkok, Thailand
| | - Nanthanit Pholphana
- Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok, Thailand
| | - Nuchanart Rangkadilok
- Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok, Thailand
- Centre of Excellence on Environmental Health and Toxicology (EHT), CHE, Ministry of Higher Education, Science, Research and Innovation, Bangkok, Thailand
| | - Tawit Suriyo
- Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok, Thailand
- Centre of Excellence on Environmental Health and Toxicology (EHT), CHE, Ministry of Higher Education, Science, Research and Innovation, Bangkok, Thailand
| | - Jutamaad Satayavivad
- Environmental Toxicology Program, Chulabhorn Graduate Institute (CGI), Chulabhorn Royal Academy, Bangkok, Thailand
- Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok, Thailand
- Centre of Excellence on Environmental Health and Toxicology (EHT), CHE, Ministry of Higher Education, Science, Research and Innovation, Bangkok, Thailand
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Stevanović SD, Krstić JN, Stojanović BT, Paunović DĐ, Dimitrijević DS, Veličković JM, Stanković NJ. Monitoring of drinking water from the karst springs of the Ljuberadja-Niš water supply system (Serbia). SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-03674-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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9
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Finn TJ, Scriver L, Lam L, Duong M, Peirano G, Lynch T, Dong T, Pitout JDD, DeVinney R. A Comprehensive Account of Escherichia coli Sequence Type 131 in Wastewater Reveals an Abundance of Fluoroquinolone-Resistant Clade A Strains. Appl Environ Microbiol 2020; 86:e01913-19. [PMID: 31811043 PMCID: PMC6997739 DOI: 10.1128/aem.01913-19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 12/04/2019] [Indexed: 01/26/2023] Open
Abstract
In the ten years since its discovery, the Escherichia coli clone sequence type 131 (ST131) has become a major international health threat, with the multidrug-resistant and extended-spectrum β-lactamase (ESBL)-producing clade C emerging as the globally dominant form. ST131 has previously been isolated from wastewater; however, most of these studies selectively screened for ESBL-producing organisms, thereby missing the majority of remaining ST131 clades. In this study, we used a high-throughput PCR-based screening strategy to comprehensively examine wastewater for the presence of ST131 over a 1-year period. Additional multiplex PCRs were used to differentiate clades and obtain an unbiased account of the total ST131 population structure within the collection. Furthermore, antimicrobial susceptibility profiles of all ST131-positive samples were tested against a range of commonly used antibiotics. From a total of over 3,762 E. coli wastewater samples, 1.86% (n = 70) tested positive for ST131, with the majority being clade A isolates. In total, 63% (n = 44) were clade A, 29% (n = 20) were clade B, 1% (n = 1) were clade C0, 6% (n = 4) were clade C1, and 1% (n = 1) were clade C2. In addition, a very high rate of resistance to commonly used antibiotics among wastewater isolates is reported, with 72.7% (n = 32) of clade A resistant to ciprofloxacin and high rates of resistance to gentamicin, sulfamethoxazole-trimethoprim, and tetracycline in clades that are typically sensitive to antibiotics.IMPORTANCE ST131 is a global pathogen. This clone causes urinary tract infections and is frequently isolated from human sources. However, little is known about ST131 from environmental sources. With the widely reported increase in antibiotic concentrations found in wastewater, there is additional selection pressure for the emergence of antibiotic-resistant ST131 in this niche. The unbiased screening approach reported herein revealed that previously antibiotic-sensitive lineages of ST131 are now resistant to commonly used antibiotics present in wastewater systems and may be capable of surviving UV sterilization. This is the most comprehensive account of ST131 in the wastewater niche to date and an important step in better understanding the ecology of this global pathogen.
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Affiliation(s)
- Thomas J Finn
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Lena Scriver
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Linh Lam
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Mai Duong
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Gisele Peirano
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Alberta Public Laboratories, Calgary, Alberta, Canada
| | - Tarah Lynch
- Alberta Public Laboratories, Calgary, Alberta, Canada
| | - Tao Dong
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Johann D D Pitout
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Alberta Public Laboratories, Calgary, Alberta, Canada
| | - Rebekah DeVinney
- Department of Microbiology, Immunology & Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
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