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Thieulent CJ, Carossino M, Peak L, Wolfson W, Balasuriya UBR. Development and validation of multiplex one-step qPCR/RT-qPCR assays for simultaneous detection of SARS-CoV-2 and pathogens associated with feline respiratory disease complex. PLoS One 2024; 19:e0297796. [PMID: 38517847 PMCID: PMC10959388 DOI: 10.1371/journal.pone.0297796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 01/12/2024] [Indexed: 03/24/2024] Open
Abstract
Feline respiratory disease complex (FRDC) is caused by a wide range of viral and bacterial pathogens. Both Influenza A virus (IAV) and Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) also induce respiratory diseases in cats. Two one-step multiplex qPCR/RT-qPCR assays were developed and validated: FRA_1 (Feline respiratory assay 1) for the detection of four viral targets and FRA_2 for the detection of three bacteria associated with FRDC. Both multiplex assays demonstrated high specificity, efficiency (93.51%-107.8%), linearity (> 0.998), analytical sensitivity (≤ 15 genome copies/μl), repeatability (coefficient of variation [CV] < 5%), and reproducibility (CV < 6%). Among the 63 clinical specimens collected from FRDC-suspected cats, 92.1% were positive for at least one pathogen and co-infection was detected in 57.1% of samples. Mycoplasma felis (61.9%) was the most found pathogen, followed by feline herpesvirus-1 (30.2%), Chlamydia felis (28.7%) and feline calicivirus (27.0%). SARS-CoV-2 was detected in two specimens. In summary, this new panel of qPCR/RT-qPCR assays constitutes a useful and reliable tool for the rapid detection of SARS-CoV-2 and viral and bacterial pathogens associated with FRDC in cats.
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Affiliation(s)
- Côme J. Thieulent
- Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
| | - Mariano Carossino
- Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
| | - Laura Peak
- Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
| | - Wendy Wolfson
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
| | - Udeni B. R. Balasuriya
- Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, United States of America
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Palombieri A, Di Profio F, Fruci P, Sarchese V, Martella V, Marsilio F, Di Martino B. Emerging Respiratory Viruses of Cats. Viruses 2022; 14:v14040663. [PMID: 35458393 PMCID: PMC9030917 DOI: 10.3390/v14040663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 03/12/2022] [Accepted: 03/21/2022] [Indexed: 12/07/2022] Open
Abstract
In recent years, advances in diagnostics and deep sequencing technologies have led to the identification and characterization of novel viruses in cats as protoparviruses and chaphamaparvoviruses, unveiling the diversity of the feline virome in the respiratory tract. Observational, epidemiological and experimental data are necessary to demonstrate firmly if some viruses are able to cause disease, as this information may be confounded by virus- or host-related factors. Also, in recent years, researchers were able to monitor multiple examples of transmission to felids of viruses with high pathogenic potential, such as the influenza virus strains H5N1, H1N1, H7N2, H5N6 and H3N2, and in the late 2019, the human hypervirulent coronavirus SARS-CoV-2. These findings suggest that the study of viral infections always requires a multi-disciplinary approach inspired by the One Health vision. By reviewing the literature, we provide herewith an update on the emerging viruses identified in cats and their potential association with respiratory disease.
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Affiliation(s)
- Andrea Palombieri
- Laboratory of Infectious Diseases, Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy; (A.P.); (F.D.P.); (P.F.); (V.S.); (B.D.M.)
| | - Federica Di Profio
- Laboratory of Infectious Diseases, Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy; (A.P.); (F.D.P.); (P.F.); (V.S.); (B.D.M.)
| | - Paola Fruci
- Laboratory of Infectious Diseases, Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy; (A.P.); (F.D.P.); (P.F.); (V.S.); (B.D.M.)
| | - Vittorio Sarchese
- Laboratory of Infectious Diseases, Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy; (A.P.); (F.D.P.); (P.F.); (V.S.); (B.D.M.)
| | - Vito Martella
- Laboratory of Infectious Diseases, Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy;
| | - Fulvio Marsilio
- Laboratory of Infectious Diseases, Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy; (A.P.); (F.D.P.); (P.F.); (V.S.); (B.D.M.)
- Correspondence: ; Tel.: +39-0861-26-6871
| | - Barbara Di Martino
- Laboratory of Infectious Diseases, Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy; (A.P.); (F.D.P.); (P.F.); (V.S.); (B.D.M.)
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Frymus T, Belák S, Egberink H, Hofmann-Lehmann R, Marsilio F, Addie DD, Boucraut-Baralon C, Hartmann K, Lloret A, Lutz H, Pennisi MG, Thiry E, Truyen U, Tasker S, Möstl K, Hosie MJ. Influenza Virus Infections in Cats. Viruses 2021; 13:v13081435. [PMID: 34452300 PMCID: PMC8402716 DOI: 10.3390/v13081435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/14/2021] [Accepted: 07/20/2021] [Indexed: 11/16/2022] Open
Abstract
In the past, cats were considered resistant to influenza. Today, we know that they are susceptible to some influenza A viruses (IAVs) originating in other species. Usually, the outcome is only subclinical infection or a mild fever. However, outbreaks of feline disease caused by canine H3N2 IAV with fever, tachypnoea, sneezing, coughing, dyspnoea and lethargy are occasionally noted in shelters. In one such outbreak, the morbidity rate was 100% and the mortality rate was 40%. Recently, avian H7N2 IAV infection occurred in cats in some shelters in the USA, inducing mostly mild respiratory disease. Furthermore, cats are susceptible to experimental infection with the human H3N2 IAV that caused the pandemic in 1968. Several studies indicated that cats worldwide could be infected by H1N1 IAV during the subsequent human pandemic in 2009. In one shelter, severe cases with fatalities were noted. Finally, the highly pathogenic avian H5N1 IAV can induce a severe, fatal disease in cats, and can spread via cat-to-cat contact. In this review, the Advisory Board on Cat Diseases (ABCD), a scientifically independent board of experts in feline medicine from 11 European countries, summarises current data regarding the aetiology, epidemiology, pathogenesis, clinical picture, diagnostics, and control of feline IAV infections, as well as the zoonotic risks.
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Affiliation(s)
- Tadeusz Frymus
- Department of Small Animal Diseases with Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences—SGGW, 02-787 Warsaw, Poland
- Correspondence:
| | - Sándor Belák
- Department of Biomedical Sciences and Veterinary Public Health (BVF), Swedish University of Agricultural Sciences (SLU), P.O. Box 7036, 750 07 Uppsala, Sweden;
| | - Herman Egberink
- Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, University of Utrecht, 3584 CL Utrecht, The Netherlands;
| | - Regina Hofmann-Lehmann
- Clinical Laboratory, Center for Clinical Studies, Department of Clinical Diagnostics and Services, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland; (R.H.-L.); (H.L.)
| | - Fulvio Marsilio
- Faculty of Veterinary Medicine, Università degli Studi di Teramo, 64100 Teramo, Italy;
| | | | | | - Katrin Hartmann
- Clinic of Small Animal Medicine, Centre for Clinical Veterinary Medicine, LMU Munich, 80539 Munich, Germany;
| | - Albert Lloret
- Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain;
| | - Hans Lutz
- Clinical Laboratory, Center for Clinical Studies, Department of Clinical Diagnostics and Services, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland; (R.H.-L.); (H.L.)
| | - Maria Grazia Pennisi
- Dipartimento di Scienze Veterinarie, Università di Messina, 98168 Messina, Italy;
| | - Etienne Thiry
- Veterinary Virology and Animal Viral Diseases, FARAH Research Centre, Department of Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, Liège University, B-4000 Liège, Belgium;
| | - Uwe Truyen
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, 04103 Leipzig, Germany;
| | - Séverine Tasker
- Bristol Veterinary School, University of Bristol, Bristol BS40 5DU, UK;
- Linnaeus Group, Shirley, Solihull B90 4BN, UK
| | - Karin Möstl
- Institute of Virology, Department for Pathobiology, University of Veterinary Medicine, 1210 Vienna, Austria;
| | - Margaret J. Hosie
- MRC—University of Glasgow Centre for Virus Research, Glasgow G61 1QH, UK;
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Wasik BR, Voorhees IE, Parrish CR. Canine and Feline Influenza. Cold Spring Harb Perspect Med 2021; 11:cshperspect.a038562. [PMID: 31871238 PMCID: PMC7778219 DOI: 10.1101/cshperspect.a038562] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Influenza virus infections of carnivores-primarily in dogs and in large and small cats-have been repeatedly observed to be caused by a number of direct spillovers of avian viruses or in infections by human or swine viruses. In addition, there have also been prolonged epizootics of an H3N8 equine influenza virus in dogs starting around 1999, of an H3N2 avian influenza virus in domestic dog populations in Asia and in the United States that started around 2004, and an outbreak of an avian H7N2 influenza virus among cats in an animal shelter in the United States in 2016. The impact of influenza viruses in domesticated companion animals and their zoonotic or panzootic potential poses significant questions for veterinary and human health.
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Borland S, Gracieux P, Jones M, Mallet F, Yugueros-Marcos J. Influenza A Virus Infection in Cats and Dogs: A Literature Review in the Light of the "One Health" Concept. Front Public Health 2020; 8:83. [PMID: 32266198 PMCID: PMC7098917 DOI: 10.3389/fpubh.2020.00083] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 03/02/2020] [Indexed: 12/27/2022] Open
Abstract
Influenza A viruses are amongst the most challenging viruses that threaten both human and animal health. Constantly evolving and crossing species barrier, the emergence of novel zoonotic pathogens is one of the greatest challenges to global health security. During the last decade, considerable attention has been paid to influenza virus infections in dogs, as two canine H3N8 and H3N2 subtypes caused several outbreaks through the United States and Southern Asia, becoming endemic. Cats, even though less documented in the literature, still appear to be susceptible to many avian influenza infections. While influenza epidemics pose a threat to canine and feline health, the risks to humans are largely unknown. Here, we review most recent knowledge of the epidemiology of influenza A viruses in dogs and cats, existing evidences for the abilities of these species to host, sustain intraspecific transmission, and generate novel flu A lineages through genomic reassortment. Such enhanced understanding suggests a need to reinforce surveillance of the role played by companion animals-human interface, in light of the “One Health” concept and the potential emergence of novel zoonotic viruses.
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Affiliation(s)
- Stéphanie Borland
- bioMérieux S.A./BioFire Diagnostics LLC Research and Development, Centre Christophe Mérieux, Grenoble, France
| | - Patrice Gracieux
- bioMérieux S.A./BioFire Diagnostics LLC Research and Development, Centre Christophe Mérieux, Grenoble, France
| | - Matthew Jones
- BioFire Diagnostics LLC, Salt Lake City, UT, United States
| | - François Mallet
- Joint Research Unit, Hospice Civils de Lyon, bioMérieux S.A., Centre Hospitalier Lyon Sud, Pierre-Benite, France
| | - Javier Yugueros-Marcos
- bioMérieux S.A./BioFire Diagnostics LLC Research and Development, Centre Christophe Mérieux, Grenoble, France
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Reinero CR, Masseau I, Grobman M, Vientos-Plotts A, Williams K. Perspectives in veterinary medicine: Description and classification of bronchiolar disorders in cats. J Vet Intern Med 2019; 33:1201-1221. [PMID: 30982233 PMCID: PMC6524100 DOI: 10.1111/jvim.15473] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 02/21/2019] [Indexed: 01/20/2023] Open
Abstract
This Perspectives in Veterinary Medicine article seeks to define, describe putative causes, and discuss key diagnostic tests for primary and secondary bronchiolar disorders to propose a classification scheme in cats with support from a literature review and case examples. The small airways (bronchioles with inner diameters <2 mm), located at the transitional zone between larger conducting airways and the pulmonary acinus, have been overlooked as major contributors to clinical syndromes of respiratory disease in cats. Because the trigger for many bronchiolar disorders is environmental and humans live in a shared environment with similar susceptibility, understanding these diseases in pet cats has relevance to One Health. Thoracic radiography, the major imaging modality used in the diagnostic evaluation of respiratory disease in cats, has low utility in detection of bronchiolar disease. Computed tomography (CT) with paired inspiratory and expiratory scans can detect pathology centered on small airways. In humans, treatment of bronchiolar disorders is not well established because of heterogeneous presentations and often late definitive diagnosis. A review of the human and veterinary medical literature will serve as the basis for a proposed classification scheme in cats. A case series of cats with CT or histopathologic evidence of bronchiolar lesions or both, either as a primary disorder or secondary to extension from large airway disease or interstitial lung disease, will be presented. Future multi‐institutional and multidisciplinary discussions among clinicians, radiologists, and pathologists will help refine and develop this classification scheme to promote early and specific recognition and optimize treatment.
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Affiliation(s)
- Carol R Reinero
- Department of Veterinary Medicine and Surgery, University of Missouri College of Veterinary Medicine, Columbia, Missouri
| | - Isabelle Masseau
- Department of Veterinary Medicine and Surgery, University of Missouri College of Veterinary Medicine, Columbia, Missouri.,Department of Sciences Cliniques, Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, Quebec, Canada
| | - Megan Grobman
- Department of Veterinary Medicine and Surgery, University of Missouri College of Veterinary Medicine, Columbia, Missouri
| | - Aida Vientos-Plotts
- Department of Veterinary Medicine and Surgery, University of Missouri College of Veterinary Medicine, Columbia, Missouri
| | - Kurt Williams
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan
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Al-Tayib OA. An Overview of the Most Significant Zoonotic Viral Pathogens Transmitted from Animal to Human in Saudi Arabia. Pathogens 2019; 8:E25. [PMID: 30813309 PMCID: PMC6471281 DOI: 10.3390/pathogens8010025] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 02/01/2023] Open
Abstract
Currently, there has been an increasing socioeconomic impact of zoonotic pathogens transmitted from animals to humans worldwide. Recently, in the Arabian Peninsula, including in Saudi Arabia, epidemiological data indicated an actual increase in the number of emerging and/or reemerging cases of several viral zoonotic diseases. Data presented in this review are very relevant because Saudi Arabia is considered the largest country in the Peninsula. We believe that zoonotic pathogens in Saudi Arabia remain an important public health problem; however, more than 10 million Muslim pilgrims from around 184 Islamic countries arrive yearly at Makkah for the Hajj season and/or for the Umrah. Therefore, for health reasons, several countries recommend vaccinations for various zoonotic diseases among preventive protocols that should be complied with before traveling to Saudi Arabia. However, there is a shortage of epidemiological data focusing on the emerging and reemerging of zoonotic pathogens transmitted from animal to humans in different densely populated cities and/or localities in Saudi Arabia. Therefore, further efforts might be needed to control the increasing impacts of zoonotic viral disease. Also, there is a need for a high collaboration to enhance the detection and determination of the prevalence, diagnosis, control, and prevention as well as intervention and reduction in outbreaks of these diseases in Saudi Arabia, particularly those from other countries. Persons in the health field including physicians and veterinarians, pet owners, pet store owners, exporters, border guards, and people involved in businesses related to animal products have adopted various preventive strategies. Some of these measures might pave the way to highly successful prevention and control results on the different transmission routes of these viral zoonotic diseases from or to Saudi Arabia. Moreover, the prevention of these viral pathogens depends on socioeconomic impacts, available data, improved diagnosis, and highly effective therapeutics or prophylaxis.
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Affiliation(s)
- Omar A Al-Tayib
- Abdullah Bagshan for Dental and Oral Rehabilitation (DOR), Dental College Research Center, King Saud University, Riyadh 12372, Saudi Arabia.
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Khartoum, Khartoum 11111, Sudan.
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Horimoto T, Gen F, Murakami S, Iwatsuki-Horimoto K, Kato K, Hisasue M, Sakaguchi M, Nidom CA, Kawaoka Y. Cats as a potential source of emerging influenza virus infections. Virol Sin 2016; 30:221-3. [PMID: 25953615 DOI: 10.1007/s12250-015-3580-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Taisuke Horimoto
- Department of Veterinary Microbiology, University of Tokyo, Tokyo, 113-8657, Japan,
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Zhang X, Shen Y, Du L, Wang R, Jiang B, Sun H, Pu J, Lin D, Wang M, Liu J, Sun Y. Serological survey of canine H3N2, pandemic H1N1/09, and human seasonal H3N2 influenza viruses in cats in northern China, 2010-2014. Virol J 2015; 12:50. [PMID: 25889762 PMCID: PMC4391672 DOI: 10.1186/s12985-015-0285-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 03/23/2015] [Indexed: 12/05/2022] Open
Abstract
Background The close contact between cats and humans poses a threat to public health because of the potential zoonotic transmission of influenza viruses to humans. Therefore, we examined the seroprevalence of pandemic H1N1/09, canine H3N2, and human H3N2 viruses in pet cats in northern China from 2010 to 2014. Finding Of 1794 serum samples, the seropositivity rates for H1N1/09, canine H3N2, and human H3N2 were 5.7%, 0.7%, and 0.4%, respectively. The seropositivity rate for H1N1/09 in cats was highest in 2010 (8.3%), and then declined continuously thereafter. Cats older than 10 years were most commonly seropositive for the H1N1/09 virus. Conclusions Our findings emphasize the need for continuous surveillance of influenza viruses in cats in China.
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Affiliation(s)
- Xuxiao Zhang
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Ye Shen
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Lijie Du
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Ran Wang
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Bo Jiang
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Honglei Sun
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Juan Pu
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Degui Lin
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Ming Wang
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Jinhua Liu
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
| | - Yipeng Sun
- State Key Laboratory of Agrobiotechnology, College of Veterinary Medicine and Key Laboratory of Animal Epidemiology and Zoonosis of the Ministry of Agriculture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, 100193, China.
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