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Alabí Córdova AS, Fecchio A, Calchi AC, Dias CM, Machado RZ, André MR. Molecular evidence of Bartonella spp. in tropical wild birds from the Brazilian Pantanal, the largest wetland in South America. Vet Res Commun 2024; 48:1631-1640. [PMID: 38443588 DOI: 10.1007/s11259-024-10341-z] [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: 12/05/2023] [Accepted: 02/26/2024] [Indexed: 03/07/2024]
Abstract
Despite the worldwide occurrence of bartonellae in a broad range of mammal species, in which they usually cause a long-lasting erythrocytic bacteremia, few studies reported Bartonella spp. in avian hosts. The present work aimed to investigate the occurrence and molecular identity of Bartonella spp. infecting birds in the Pantanal wetland, central-western Brazil using a multigene approach. For this purpose, blood samples were collected from 517 individuals from 13 avian orders in the states of Mato Grosso and Mato Groso do Sul. DNA was extracted from avian blood and 500/517 (96.7%) samples were positive in a conventional PCR targeting the avian β-actin gene. Nineteen (3.8%) out of 500 avian blood samples were positive in a qPCR assay for Bartonella spp. based on the nuoG gene. Among 19 avian blood DNA samples positive in the qPCR for Bartonella spp., 12 were also positive in the qPCR for Bartonella based on the 16S-23S RNA Intergenic region (ITS). In the PCR assays performed for molecular characterization, one 16S rRNA, three ribC, and one nuoG sequences were obtained. Based on BLASTn results, while 1 nuoG, 2 ribC, and 2 ITS sequences showed high identity to Bartonella henselae, one 16S rRNA and 2 ITS showed high similarity to Bartonella machadoae in the sampled birds. Bartonella spp. related to B. henselae and B. machadoae were detected, for the first time, in wild birds from the Brazilian Pantanal.
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Affiliation(s)
- Amir Salvador Alabí Córdova
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Alan Fecchio
- Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, PA, USA
| | - Ana Cláudia Calchi
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Clara Morato Dias
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Rosangela Zacarias Machado
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Marcos Rogério André
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil.
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McClung KL, Noden BH. Prevalence of selected pathogens in ectoparasites from free-roaming domestic cats in the southern Great Plains of the United States. Vet Parasitol Reg Stud Reports 2022; 34:100764. [PMID: 36041799 DOI: 10.1016/j.vprsr.2022.100764] [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: 11/09/2021] [Revised: 04/25/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
Rickettsia sp. and Bartonella sp. were detected in ectoparasites of free-roaming domestic cats (Felis catus) from a trap-neuter-release program in central Oklahoma during January and February 2020. We used polymerase chain reaction and sequencing to identify fleas containing DNA of five different pathogens: Rickettsia felis (84%), 'Candidatus R. andeanae' (8%), Bartonella henselae (32%), Bartonella clarridgeiae (36%), and Bartonella sp. (8%). Co-infections with R. felis with three Bartonella species were identified. One tick was positive for R. felis, one flea was positive for 'Candidatus R. andeanae' and one ear mite was positive for a Bartonella species. These results highlight the need for more focus on free-roaming domestic cats and their ectoparasites in the Great Plains region.
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Affiliation(s)
- Kristin L McClung
- Department of Entomology and Plant Pathology, Oklahoma State University, 127 Noble Research Center, Stillwater, OK 74078, USA
| | - Bruce H Noden
- Department of Entomology and Plant Pathology, Oklahoma State University, 127 Noble Research Center, Stillwater, OK 74078, USA.
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Sridhar R, Dittmar K, Williams HM. USING SURFACE WASHING TO REMOVE THE ENVIRONMENTAL COMPONENT FROM FLEA MICROBIOME ANALYSIS. J Parasitol 2022; 108:245-253. [PMID: 35687318 DOI: 10.1645/21-60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Microbial metabarcoding is a common method to study the biology of blood-feeding arthropods and identify patterns of potential pathogen transmission. Before DNA extraction, specimens are often surface washed to remove environmental contaminants. While surface washing is common, its effects on microbial diversity remain unclear. We characterized the microbiome of the flea species Ceratophyllus idius, an avian ectoparasite, and a potential vector of pathogens, using high-throughput 16S rRNA sequencing. Half of the nests from which fleas were collected were subjected to an environmental manipulation in which nesting materials were periodically replaced. In a crossed study design we surface washed half of the flea samples from each environmental condition to produce 4 experimental conditions. Environmental manipulations resulted in significant differences in the diversity and structure of the flea microbiome, but these differences were unapparent when specimens were surface washed. Furthermore, differential abundance testing of the experimental groups revealed that surface washing predominantly affected the abundance of bacterial groups that are characterized as environmental contaminants. These findings suggest that environmental changes primarily affect the surface microbiome of arthropods and that surface washing is a useful tool to reduce the footprint of the external microbiome on analysis.
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Affiliation(s)
- Ramya Sridhar
- Department of Biological Sciences, State University of New York at Buffalo, Buffalo, New York 14260.,College of Medicine, Upstate Medical University, State University of New York, Syracuse, New York 13210
| | - Katharina Dittmar
- Department of Biological Sciences, State University of New York at Buffalo, Buffalo, New York 14260
| | - Heather M Williams
- Department of Biological Sciences, State University of New York at Buffalo, Buffalo, New York 14260.,Department of Environment and Sustainability, State University of New York at Buffalo, Buffalo, New York 14260
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Álvarez-Fernández A, Maggi R, Martín-Valls GE, Baxarias M, Breitschwerdt EB, Solano-Gallego L. Prospective serological and molecular cross-sectional study focusing on Bartonella and other blood-borne organisms in cats from Catalonia (Spain). Parasit Vectors 2022; 15:6. [PMID: 34983610 PMCID: PMC8729136 DOI: 10.1186/s13071-021-05105-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 11/18/2021] [Indexed: 11/23/2022] Open
Abstract
Background There is limited clinical or epidemiological knowledge regarding Bartonella infection in cats, and no serological studies have compared the presence of antibodies against different Bartonella species. Moreover, there are limited feline Bartonella studies investigating co-infections with other vector-borne pathogens and the associated risk factors. Therefore, the objective of this study was to investigate Bartonella spp. infections and co-infections with other pathogens in cats from Barcelona (Spain) based on serological and/or molecular techniques and to determine associated risk factors. Methods We studied colony and owned cats (n = 135). Sera were tested for Bartonella henselae-, Bartonella quintana-, and Bartonella koehlerae-specific antibodies using endpoint in-house immunofluorescence antibody assays. Bartonella real-time PCR (qPCR) and conventional PCR (cPCR) were performed. In addition, cPCR followed by DNA sequencing was performed for other pathogenic organisms (Anaplasma, Babesia, Cytauxzoon, Ehrlichia, Hepatozoon, hemotropic Mycoplasma, and Theileria spp.). Results From 135 cats studied, 80.7% were seroreactive against at least one Bartonella species. Bartonella quintana, B. koehlerae, and B. henselae seroreactivity was 67.4, 77.0, and 80.7%, respectively. Substantial to almost perfect serological agreement was found between the three Bartonella species. Colony cats were more likely to be Bartonella spp.-seroreactive than owned cats. Moreover, cats aged ≤ 2 years were more likely to be Bartonella spp.-seroreactive. Bartonella spp. DNA was detected in the blood of 11.9% (n = 16) of cats. Cats were infected with B. henselae (n = 12), B. clarridgeiae (n = 3), and B. koehlerae (n = 1). Mycoplasma spp. DNA was amplified from 14% (n = 19) of cat blood specimens. Cats were infected with Mycoplasma haemofelis (n = 8), Candidatus M. haemominutum (n = 6), Candidatus Mycoplasma turicensis (n = 4), and Mycoplasma wenyonii (n = 1). Anaplasma, Babesia, Cytauxzoon, Ehrlichia spp., Hepatozoon, and Theileria spp. DNA was not amplified from any blood sample. Of the 16 Bartonella spp.-infected cats based on PCR results, six (37%) were co-infected with Mycoplasma spp. Conclusions Bartonella spp. and hemoplasma infections are prevalent in cats from the Barcelona area, whereas infection with Anaplasma spp., Babesia, Cytauxzoon, Ehrlichia spp., Hepatozoon, and Theileria infections were not detected. Co-infection with hemotropic Mycoplasma appears to be common in Bartonella-infected cats. To our knowledge, this study is the first to document M. wenyonii is infection in cats. Graphical Abstract ![]()
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Affiliation(s)
- Alejandra Álvarez-Fernández
- Department of Animal Medicine and Surgery, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Valles, Spain
| | - Ricardo Maggi
- Department of Clinical Sciences and the Intracellular Pathogens Research Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University (NCSU), Raleigh, NC, USA
| | - Gerard Eduard Martín-Valls
- Department of Animal Health and Anatomy, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Valles, Spain
| | - Marta Baxarias
- Department of Animal Medicine and Surgery, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Valles, Spain
| | - Edward Bealmear Breitschwerdt
- Department of Clinical Sciences and the Intracellular Pathogens Research Laboratory, Comparative Medicine Institute, College of Veterinary Medicine, North Carolina State University (NCSU), Raleigh, NC, USA
| | - Laia Solano-Gallego
- Department of Animal Medicine and Surgery, Facultat de Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Valles, Spain.
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Divari S, Danelli M, Pregel P, Ghielmetti G, Borel N, Bollo E. Biomolecular Investigation of Bartonella spp. in Wild Rodents of Two Swiss Regions. Pathogens 2021; 10:pathogens10101331. [PMID: 34684280 PMCID: PMC8539893 DOI: 10.3390/pathogens10101331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/07/2021] [Accepted: 10/11/2021] [Indexed: 12/15/2022] Open
Abstract
Rodents represent a natural reservoir of several Bartonella species, including zoonotic ones. In this study, small wild rodents, collected from two sites in rural areas of Switzerland, were screened for Bartonella spp. using molecular detection methods. In brief, 346 rodents were trapped in two rural sites in the Gantrisch Nature Park of Switzerland (Plasselb, canton of Fribourg, and Riggisberg, canton of Bern). Pools of DNA originating from three animals were tested through a qPCR screening and an end-point PCR, amplifying the 16S-23S rRNA gene intergenic transcribed spacer region and citrate synthase (gltA) loci, respectively. Subsequently, DNA was extracted from spleen samples belonging to single animals of gltA positive pools, and gltA and RNA polymerase subunit beta (rpoB) were detected by end-point PCR. Based on PCR results and sequencing, the prevalence of infection with Bartonella spp. in captured rodents, was 21.10% (73/346): 31.78% in Apodemus sp. (41/129), 10.47% in Arvicola scherman (9/86), 17.05% in Myodes glareolus (22/129), and 50% in Microtus agrestis (1/2). A significant association was observed between Bartonella spp. infection and rodent species (p < 0.01) and between trapping regions and positivity to Bartonella spp. infection (p < 0.001). Similarly, prevalence of Bartonella DNA was higher (p < 0.001) in rodents trapped in woodland areas (66/257, 25.68%) compared to those captured in open fields (9/89, 10.11%). Sequencing and phylogenetic analysis demonstrated that the extracted Bartonella DNA belonged mainly to B. taylorii and also to Candidatus “Bartonella rudakovii”, B. grahamii, B. doshiae, and B. birtlesii. In conclusion, the present study could rise public health issues regarding Bartonella infection in rodents in Switzerland.
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Affiliation(s)
- Sara Divari
- Department of Veterinary Science, University of Turin, Largo Braccini 2, 10095 Turin, Italy; (M.D.); (P.P.); (E.B.)
- Correspondence:
| | - Marta Danelli
- Department of Veterinary Science, University of Turin, Largo Braccini 2, 10095 Turin, Italy; (M.D.); (P.P.); (E.B.)
| | - Paola Pregel
- Department of Veterinary Science, University of Turin, Largo Braccini 2, 10095 Turin, Italy; (M.D.); (P.P.); (E.B.)
| | - Giovanni Ghielmetti
- Institute for Food Safety and Hygiene, Section of Veterinary Bacteriology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland;
| | - Nicole Borel
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland;
| | - Enrico Bollo
- Department of Veterinary Science, University of Turin, Largo Braccini 2, 10095 Turin, Italy; (M.D.); (P.P.); (E.B.)
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McKee CD, Bai Y, Webb CT, Kosoy MY. Bats are key hosts in the radiation of mammal-associated Bartonella bacteria. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2021; 89:104719. [PMID: 33444855 PMCID: PMC10915969 DOI: 10.1016/j.meegid.2021.104719] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 12/25/2022]
Abstract
Bats are notorious reservoirs of several zoonotic diseases and may be uniquely tolerant of infection among mammals. Broad sampling has revealed the importance of bats in the diversification and spread of viruses and eukaryotes to other animal hosts. Vector-borne bacteria of the genus Bartonella are prevalent and diverse in mammals globally and recent surveys have revealed numerous Bartonella lineages in bats. We assembled a sequence database of Bartonella strains, consisting of nine genetic loci from 209 previously characterized Bartonella lineages and 121 new cultured isolates from bats, and used these data to perform a comprehensive phylogenetic analysis of the Bartonella genus. This analysis included estimation of divergence dates using a molecular clock and ancestral reconstruction of host associations and geography. We estimate that Bartonella began infecting mammals 62 million years ago near the Cretaceous-Paleogene boundary. Additionally, the radiation of particular Bartonella clades correlate strongly to the timing of diversification and biogeography of mammalian hosts. Bats were inferred to be the ancestral hosts of all mammal-associated Bartonella and appear to be responsible for the early geographic expansion of the genus. We conclude that bats have had a deep influence on the evolutionary radiation of Bartonella bacteria and their spread to other mammalian orders. These results support a 'bat seeding' hypothesis that could explain similar evolutionary patterns in other mammalian parasite taxa. Application of such phylogenetic tools as we have used to other taxa may reveal the general importance of bats in the ancient diversification of mammalian parasites.
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Affiliation(s)
- Clifton D McKee
- Graduate Degree Program in Ecology, Colorado State University, 1021 Campus Delivery, Fort Collins, CO 80523, USA; Department of Biology, Colorado State University, 1878 Campus Delivery, Fort Collins, CO 80523, USA; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street, Baltimore, MD 21205, USA.
| | - Ying Bai
- Bacterial Diseases Branch, Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, 3156 Rampart Road, Fort Collins, CO 80521, USA
| | - Colleen T Webb
- Graduate Degree Program in Ecology, Colorado State University, 1021 Campus Delivery, Fort Collins, CO 80523, USA; Department of Biology, Colorado State University, 1878 Campus Delivery, Fort Collins, CO 80523, USA
| | - Michael Y Kosoy
- KB One Health, LLC, 3244 Reedgrass Court, Fort Collins, CO 80521, USA
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Buhler KJ, Maggi RG, Gailius J, Galloway TD, Chilton NB, Alisauskas RT, Samelius G, Bouchard É, Jenkins EJ. Hopping species and borders: detection of Bartonella spp. in avian nest fleas and arctic foxes from Nunavut, Canada. Parasit Vectors 2020; 13:469. [PMID: 32928287 PMCID: PMC7490881 DOI: 10.1186/s13071-020-04344-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 09/05/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND In a warmer and more globally connected Arctic, vector-borne pathogens of zoonotic importance may be increasing in prevalence in native wildlife. Recently, Bartonella henselae, the causative agent of cat scratch fever, was detected in blood collected from arctic foxes (Vulpes lagopus) that were captured and released in the large goose colony at Karrak Lake, Nunavut, Canada. This bacterium is generally associated with cats and cat fleas, which are absent from Arctic ecosystems. Arctic foxes in this region feed extensively on migratory geese, their eggs, and their goslings. Thus, we hypothesized that a nest flea, Ceratophyllus vagabundus vagabundus (Boheman, 1865), may serve as a vector for transmission of Bartonella spp. METHODS We determined the prevalence of Bartonella spp. in (i) nest fleas collected from 5 arctic fox dens and (ii) 37 surrounding goose nests, (iii) fleas collected from 20 geese harvested during arrival at the nesting grounds and (iv) blood clots from 57 adult live-captured arctic foxes. A subsample of fleas were identified morphologically as C. v. vagabundus. Remaining fleas were pooled for each nest, den, or host. DNA was extracted from flea pools and blood clots and analyzed with conventional and real-time polymerase chain reactions targeting the 16S-23S rRNA intergenic transcribed spacer region. RESULTS Bartonella henselae was identified in 43% of pooled flea samples from nests and 40% of pooled flea samples from fox dens. Bartonella vinsonii berkhoffii was identified in 30% of pooled flea samples collected from 20 geese. Both B. vinsonii berkhoffii (n = 2) and B. rochalimae (n = 1) were identified in the blood of foxes. CONCLUSIONS We confirm that B. henselae, B. vinsonii berkhoffii and B. rochalimae circulate in the Karrak Lake ecosystem and that nest fleas contain B. vinsonii and B. henselae DNA, suggesting that this flea may serve as a potential vector for transmission among Arctic wildlife.
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Affiliation(s)
- Kayla J Buhler
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada.
| | - Ricardo G Maggi
- Intracellular Pathogens Research Laboratory, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC, 27606, USA
| | - Julie Gailius
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Terry D Galloway
- Department of Entomology, Faculty of Agricultural and Food Sciences, University of Manitoba, 12 Dafoe Road, Winnipeg, MB, R3T 2N2, Canada
| | - Neil B Chilton
- Department of Biology, University of Saskatchewan, Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Ray T Alisauskas
- Department of Biology, University of Saskatchewan, Science Place, Saskatoon, SK, S7N 5E2, Canada
- Prairie and Northern Wildlife Research Centre, Wildlife Research Division, Environment and Climate Change Canada, 115 Perimeter Road, Saskatoon, SK, S7N 0X4, Canada
| | - Gustaf Samelius
- Snow Leopard Trust, 4649 Sunnyside Ave North, Suite 325, Seattle, WA, 98103, USA
| | - Émilie Bouchard
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Emily J Jenkins
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
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