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Roberts E, Nuttall TJ, Gkekas G, Mellanby RJ, Fitzgerald JR, Paterson GK. Not just in man's best friend: A review of Staphylococcus pseudintermedius host range and human zoonosis. Res Vet Sci 2024; 174:105305. [PMID: 38805894 DOI: 10.1016/j.rvsc.2024.105305] [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: 03/27/2024] [Revised: 05/10/2024] [Accepted: 05/13/2024] [Indexed: 05/30/2024]
Abstract
Staphylococcus pseudintermedius is one species in the commensal staphylococcal population in dogs. While it is commonly carried on healthy companion dogs it is also an opportunistic pathogen associated with a range of skin, ear, wound and other infections. While adapted to dogs, it is not restricted to them, and we have reviewed its host range, including increasing reports of human colonisation and infections. Despite its association with pet dogs, S. pseudintermedius is found widely in animals, covering companion, livestock and free-living species of birds and mammals. Human infections, typically in immunocompromised individuals, are increasingly being recognised, in part due to improved diagnosis. Colonisation, infection, and antimicrobial resistance, including frequent multidrug resistance, among S. pseudintermedius isolates represent important One Health challenges.
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Affiliation(s)
- E Roberts
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - T J Nuttall
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - G Gkekas
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - R J Mellanby
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - J R Fitzgerald
- The Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - G K Paterson
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom.
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Olivo G, Zakia LS, Ribeiro MG, da Cunha MDLRDS, Riboli DFM, Mello PL, Teixeira NB, de Araújo CET, Oliveira-Filho JP, Borges AS. Methicillin-resistant Staphylococcus spp. investigation in hospitalized horses and contacting personnel in a teaching veterinary hospital. J Equine Vet Sci 2024; 134:105031. [PMID: 38336267 DOI: 10.1016/j.jevs.2024.105031] [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: 07/12/2023] [Revised: 11/17/2023] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
Staphylococci are well-known opportunistic pathogens associated with suppurative diseases in humans and animals. Antimicrobial resistance is an emergent threat to humans and animals worldwide. This study investigated the prevalence of methicillin-resistant Staphylococcus spp. (MRS) in hospitalized horses and contacting personnel (veterinarians and staff), and assessed possible interspecies transmission in a teaching veterinary hospital. Nasal swabs from horses (n = 131) and humans (n = 35) were collected. The microorganisms were identified by traditional biochemical tests and genotypic methods, i.e., PCR, internal transcript spacer PCR (ITS-PCR), and gene sequencing. Staphylococcal species were isolated in 18% (23/131) of the horses, of which 8% (11/131) were S. hyicus, 4 % (5/131) were S. aureus, 4% (5/131) were S. pseudintermedius, and 2% (2/131) were S. schleiferi subsp. coagulans. The mecA gene was detected in an S. pseudintermedius isolate. Staphylococcus spp. was isolated in 40% (14/35) of the human samples, all of which were S. aureus. In four samples of S. aureus, the clonal profile ST398 was identified; among them, a clonal similarity of 98.1% was observed between a horse and a contacting human. This finding supports the need for biosecurity measures to avoid the spread of multidrug-resistant staphylococci in humans and horses.
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Affiliation(s)
- Giovane Olivo
- Department of Veterinary Clinical Science, Sao Paulo State University (Unesp), School of Veterinary Medicine and Animal Science, Professor Doctor Walter Mauricio Correa Street, Botucatu, Sao Paulo, 18618-681, Brazil
| | - Luiza Stachewski Zakia
- Department of Veterinary Clinical Science, Sao Paulo State University (Unesp), School of Veterinary Medicine and Animal Science, Professor Doctor Walter Mauricio Correa Street, Botucatu, Sao Paulo, 18618-681, Brazil.
| | - Márcio Garcia Ribeiro
- Department of Animal Production and Preventive Medicine, Sao Paulo State University (Unesp), School of Veterinary Medicine and Animal Science, Professor Doctor Walter Mauricio Correa Street, Botucatu, Sao Paulo, 18618-681, Brazil
| | - Maria de Lourdes Ribeiro de Souza da Cunha
- Department of Chemical and Biological Sciences, Sao Paulo State University (Unesp), Institute of Biosciences, 250 Professor Doctor Antônio Celso Wagner Zanin Street, Botucatu, Sao Paulo, Brazil
| | - Danilo Flávio Morais Riboli
- Department of Chemical and Biological Sciences, Sao Paulo State University (Unesp), Institute of Biosciences, 250 Professor Doctor Antônio Celso Wagner Zanin Street, Botucatu, Sao Paulo, Brazil
| | - Priscila Luiza Mello
- Department of Chemical and Biological Sciences, Sao Paulo State University (Unesp), Institute of Biosciences, 250 Professor Doctor Antônio Celso Wagner Zanin Street, Botucatu, Sao Paulo, Brazil
| | - Nathalia Bibiana Teixeira
- Department of Chemical and Biological Sciences, Sao Paulo State University (Unesp), Institute of Biosciences, 250 Professor Doctor Antônio Celso Wagner Zanin Street, Botucatu, Sao Paulo, Brazil
| | - César Erineudo Tavares de Araújo
- Department of Veterinary Clinical Science, Sao Paulo State University (Unesp), School of Veterinary Medicine and Animal Science, Professor Doctor Walter Mauricio Correa Street, Botucatu, Sao Paulo, 18618-681, Brazil
| | - José Paes Oliveira-Filho
- Department of Veterinary Clinical Science, Sao Paulo State University (Unesp), School of Veterinary Medicine and Animal Science, Professor Doctor Walter Mauricio Correa Street, Botucatu, Sao Paulo, 18618-681, Brazil
| | - Alexandre Secorun Borges
- Department of Veterinary Clinical Science, Sao Paulo State University (Unesp), School of Veterinary Medicine and Animal Science, Professor Doctor Walter Mauricio Correa Street, Botucatu, Sao Paulo, 18618-681, Brazil
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Morris ERA, Schroeder ME, Ferro PJ, Waller AS, McGlennon AA, Bustos CP, Gressler LT, Wu J, Lawhon SD, Boyle AG, Lingsweiler S, Paul N, Dimitrov K, Swinford AK, Bordin AI, Cohen ND. Development of a novel real-time PCR multiplex assay for detection of Streptococcus equi subspecies equi and Streptococcus equi subspecies zooepidemicus. Vet Microbiol 2023; 284:109797. [PMID: 37290208 DOI: 10.1016/j.vetmic.2023.109797] [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: 10/31/2022] [Accepted: 06/02/2023] [Indexed: 06/10/2023]
Abstract
Strangles is a contagious bacterial disease of horses caused by Streptococcus equi subspecies equi (SEE) that occurs globally. Rapid and accurate identification of infected horses is essential for controlling strangles. Because of limitations of existing PCR assays for SEE, we sought to identify novel primers and probes that enable simultaneous detection and differentiation of infection with SEE and S. equi subsp. zooepidemicus (SEZ). Comparative genomics of U.S. strains of SEE and SEZ (n = 50 each) identified SE00768 from SEE and comB from SEZ as target genes. Primers and probes for real-time PCR (rtPCR) were designed for these genes and then aligned in silico with the genomes of strains of SEE (n = 725) and SEZ (n = 343). Additionally, the sensitivity and specificity relative to microbiologic culture were compared between 85 samples submitted to an accredited veterinary medical diagnostic laboratory. The respective primer and probe sets aligned with 99.7 % (723/725) isolates of SEE and 97.1 % (333/343) of SEZ. Of 85 diagnostic samples, 20 of 21 (95.2 %) SEE and 22 of 23 SEZ (95.6 %) culture-positive samples were positive by rtPCR for SEE and SEZ, respectively. Both SEE (n = 2) and SEZ (n = 3) were identified by rtPCR among 32 culture-negative samples. Results were rtPCR-positive for both SEE and SEZ in 21 of 44 (47.7 %) samples that were culture-positive for SEE or SEZ. The primers and probe sets reported here reliably detect SEE and SEZ from Europe and the U.S., and permit detection of concurrent infection with both subspecies.
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Affiliation(s)
- Ellen Ruth A Morris
- Department of Large Animal Clinical Sciences, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Megan E Schroeder
- Texas A&M Veterinary Medical Diagnostic Laboratory, College Station, TX, USA
| | - Pamela J Ferro
- Texas A&M Veterinary Medical Diagnostic Laboratory, College Station, TX, USA.
| | - Andrew S Waller
- Intervacc AB, Hägersten, Sweden; Department of Biomedical Science and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Abigail A McGlennon
- Department of Pathobiology and Population Sciences, Royal Veterinary College, University of London, Hatfield, United Kingdom
| | - Carla P Bustos
- Universidad de Buenos Aires, Facultad de Ciencias Veterinarias, Cátedra de Enfermedades Infecciosas, Ciudad Autónoma de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Leticia T Gressler
- Laboratório de Microbiologia e Imunologia Veterinária, Medicina Veterinária, Instituto Federal Farroupilha (IFFar), Frederico Westphalen, Rio Grande do Sul, Brazil
| | - Jing Wu
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Sara D Lawhon
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Ashley G Boyle
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, School of Veterinary Medicine, Kennett Square, PA, USA
| | - Sonia Lingsweiler
- Texas A&M Veterinary Medical Diagnostic Laboratory, College Station, TX, USA
| | - Narayan Paul
- Texas A&M Veterinary Medical Diagnostic Laboratory, College Station, TX, USA
| | - Kiril Dimitrov
- Texas A&M Veterinary Medical Diagnostic Laboratory, College Station, TX, USA
| | - Amy K Swinford
- Texas A&M Veterinary Medical Diagnostic Laboratory, College Station, TX, USA
| | - Angela I Bordin
- Department of Large Animal Clinical Sciences, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Noah D Cohen
- Department of Large Animal Clinical Sciences, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX, USA.
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Khairullah AR, Sudjarwo SA, Effendi MH, Ramandinianto SC, Widodo A, Riwu KHP. A review of horses as a source of spreading livestock-associated methicillin-resistant Staphylococcus aureus to human health. Vet World 2022; 15:1906-1915. [PMID: 36313842 PMCID: PMC9615495 DOI: 10.14202/vetworld.2022.1906-1915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 06/24/2022] [Indexed: 11/29/2022] Open
Abstract
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) was first discovered in horses in 1989. Since then, LA-MRSA has begun to be considered an important strain of pathogenic bacteria in horses, which can cause LA-MRSA infection and colonization in humans with public health impacts. The anterior nares are the primary site of LA-MRSA colonization in horses, although LA-MRSA colonization may also occur in the gastrointestinal tract in horses. LA-MRSA-infected horses typically exhibit clinical infection or may not exhibit clinical infection. There are two potential risks associated with LA-MRSA colonization in horses: The possibility of disease development in horses infected with LA-MRSA and the possibility of LA-MRSA transfer to humans and other horses. The diagnosis of LA-MRSA in horses can be made by conducting in vitro sensitivity testing for oxacillin and cefoxitin, and then followed by a molecular test using polymerase chain reaction. LA-MRSA transmission in animal hospitals and on farms is most likely due to contact with horses infected or colonized by LA-MRSA. The history of prior antibiotic administration, history of prior LA-MRSA colonization, and length of equine hospitalization were described as risk factors in cases of infection and colonization of LA-MRSA in horses. Nebulized antibiotics may be a viable alternative to use in horses, but nebulized antibiotics are only used in horses that are persistently colonized with LA-MRSA. Controlling the spread of LA-MRSA in horses can be done by regularly washing horses, eradicating vectors in horse stalls such as rats, and maintaining the cleanliness of the stable and animal hospital environment. Meanwhile, cleaning hands, using gloves, and donning protective clothes are ways that humans can prevent the transmission of LA-MRSA when handling horses. This review will explain the definition of LA-MRSA in general, LA-MRSA in horses, the epidemiology of LA-MRSA in horses, the diagnosis of LA-MRSA in horses, the transmission of LA-MRSA in horses, risk factors for spreading LA-MRSA in horses, public health impact, treatment of LA-MRSA infection in horses, and control of the spread of LA-MRSA in horses.
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Affiliation(s)
- Aswin Rafif Khairullah
- Doctoral Program in Veterinary Science, Faculty of Veterinary Medicine, Universitas Airlangga, Kampus C Unair, Jl. Mulyorejo, Surabaya, Jawa Timur 60115, Indonesia
| | - Sri Agus Sudjarwo
- Department of Veterinary Pharmacology, Faculty of Veterinary Medicine, Universitas Airlangga, Kampus C Unair, Jl. Mulyorejo, Surabaya, Jawa Timur 60115, Indonesia
| | - Mustofa Helmi Effendi
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Universitas Airlangga, Kampus C Unair, Jl. Mulyorejo, Surabaya, Jawa Timur 60115, Indonesia
| | | | - Agus Widodo
- Doctoral Program in Veterinary Science, Faculty of Veterinary Medicine, Universitas Airlangga, Kampus C Unair, Jl. Mulyorejo, Surabaya, Jawa Timur 60115, Indonesia
| | - Katty Hendriana Priscilia Riwu
- Doctoral Program in Veterinary Science, Faculty of Veterinary Medicine, Universitas Airlangga, Kampus C Unair, Jl. Mulyorejo, Surabaya, Jawa Timur 60115, Indonesia
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Nielsen SS, Bicout DJ, Calistri P, Canali E, Drewe JA, Garin‐Bastuji B, Gonzales Rojas JL, Gortázar C, Herskin M, Michel V, Miranda Chueca MÁ, Padalino B, Pasquali P, Roberts HC, Spoolder H, Ståhl K, Velarde A, Viltrop A, Winckler C, Baldinelli F, Broglia A, Kohnle L, Alvarez J. Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): antimicrobial-resistant Staphylococcus aureus in cattle and horses. EFSA J 2022; 20:e07312. [PMID: 35582361 PMCID: PMC9087474 DOI: 10.2903/j.efsa.2022.7312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Staphylococcus aureus (S. aureus) was identified among the most relevant antimicrobial-resistant (AMR) bacteria in the EU for cattle and horses in previous scientific opinions. Thus, it has been assessed according to the criteria of the Animal Health Law (AHL), in particular criteria of Article 7 on disease profile and impacts, Article 5 on its eligibility to be listed, Annex IV for its categorisation according to disease prevention and control rules as in Article 9, and Article 8 for listing animal species related to the bacterium. The assessment has been performed following a methodology previously published. The outcome is the median of the probability ranges provided by the experts, which indicates whether each criterion is fulfilled (lower bound ≥ 66%) or not (upper bound ≤ 33%), or whether there is uncertainty about fulfilment. Reasoning points are reported for criteria with uncertain outcome. According to the assessment here performed, it is uncertain whether AMR S. aureus can be considered eligible to be listed for Union intervention according to Article 5 of the AHL (60-90% probability). According to the criteria in Annex IV, for the purpose of categorisation related to the level of prevention and control as in Article 9 of the AHL, the AHAW Panel concluded that the bacterium does not meet the criteria in Sections 1, 2 and 4 (Categories A, B and D; 1-5%, 5-10% and 10-33% probability of meeting the criteria, respectively) and the AHAW Panel was uncertain whether it meets the criteria in Sections 3 and 5 (Categories C and E, 33-90% and 60-90% probability of meeting the criteria, respectively). The animal species to be listed for AMR S. aureus according to Article 8 criteria include mainly mammals, birds, reptiles and fish.
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Sauvé F. Staphylococcal cutaneous infection in horses: From the early 2000s to the present. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 2021; 62:1001-1006. [PMID: 34475588 PMCID: PMC8360305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Affiliation(s)
- Frédéric Sauvé
- Département de sciences cliniques, Faculté de médecine vétérinaire, Université de Montréal, 3200, rue Sicotte, Saint-Hyacinthe, Québec J2S 2M2
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Beste KJ, Lawhon SD, Chamoun-Emanuelli AM, Duff AH, Coleman MC, Griffin CE, Hardy J, Whitfield-Cargile CM. Culture-independent and dependent evaluation of the equine paranasal sinus microbiota in health and disease. Equine Vet J 2019; 52:455-463. [PMID: 31437314 DOI: 10.1111/evj.13168] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 08/15/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Horses with bacterial sinusitis frequently undergo empirical treatment with antimicrobials, however, in some cases bacterial culture of the affected sinus is used to direct therapy. Data regarding which organisms are part of the commensal microbiota of the equine sinus are lacking making it difficult to interpret culture results and guide empiric antimicrobial selection. OBJECTIVES Our objectives were to describe the bacterial and fungal microbiota of the paranasal sinuses in clinically normal horses using culture-dependent and independent approaches and to compare the bacterial culture and susceptibility patterns of normal horses with those from horses affected with primary and secondary sinusitis. STUDY DESIGN Experimental study and descriptive retrospective review of case records. METHODS Sinus washes were collected from 23 healthy horses. Washes were submitted for routine culture and susceptibility testing and DNA was isolated for next generation sequencing of bacterial and fungal marker genes. For clinical cases of sinusitis, medical records from 2010 to 2017 were reviewed and horses diagnosed with primary and/or secondary sinusitis were included. RESULTS The paranasal sinus cavity hosts multiple bacterial and fungal organisms. The bacterial microbiota of healthy horses consists largely of uncultivable, aerobic bacteria. While few anaerobes were isolated from normal horses, the majority of clinical cases resulted in growth of anaerobic organisms with no difference in the proportion of aerobic and anaerobic bacteria isolated from clinical cases. MAIN LIMITATIONS Small sample size in both populations of horses and heterogeneity of the population prevent a more in-depth analysis. CONCLUSIONS The microbiota of the paranasal sinuses of horses consists primarily of aerobic bacteria and fungal organisms, the majority of which are uncultivable via common clinical methods. Anaerobic bacteria are found in the majority of horses with clinical sinusitis. These findings suggest anaerobic bacteria are associated with sinusitis and their presence should be considered when treating horses with sinusitis.
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Affiliation(s)
- K J Beste
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - S D Lawhon
- Department of Veterinary Pathobiology, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - A M Chamoun-Emanuelli
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - A H Duff
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - M C Coleman
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - C E Griffin
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - J Hardy
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - C M Whitfield-Cargile
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
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Waqar N, Amin Q, Munir T, Ikram MS, Shahzad N, Mirza A, Ali A, Arshad MI. A cross-sectional study of methicillin-resistant Staphylococcus aureus at the equine-human interface. Trop Anim Health Prod 2019; 51:1927-1933. [PMID: 30972624 DOI: 10.1007/s11250-019-01888-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 04/03/2019] [Indexed: 11/25/2022]
Abstract
The present study aimed at investigating the percent prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in equines and associated personnel. A total of 150 swabs of equines and 50 nasal swab samples of associated personnel were collected. These samples were processed in mannitol salt broth for enrichment. A total of 175 nasal swab samples changed the broth color from pink to yellow which were detected as samples containing S. aureus. These samples were processed further on specific media, namely mannitol salt agar, Staph-110, and blood agar, for phenotypic and Gram's staining-based confirmation of S. aureus isolates. Out of these 175 S. aureus-positive samples, 150 were of equine and 25 were of human origin. Identification of MRSA isolates in 175 S. aureus-positive samples was carried out by antimicrobial susceptibility testing by disc diffusion method. Results showed the presence of MRSA in 87 samples, out of which 81 samples were collected from equines and six samples from humans. Results of antibiotic testing revealed that percentage positivity of MRSA was higher (54%) in equines as compared with the associated personnel (24%). Most resistant antibiotics against MRSA isolates were oxacillin and methicillin while linezolid was found to be the most sensitive antibiotic against MRSA. In conclusion, our findings indicated prevalence of MRSA in equines and associated personnel evidencing an occupational risk of contracting MRSA from horses.
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Affiliation(s)
- Namra Waqar
- Institute of Microbiology, Faculty of Veterinary Sciences, University of Agriculture Faisalabad, Faisalabad, 38000, Pakistan
| | - Quratulain Amin
- Institute of Microbiology, Faculty of Veterinary Sciences, University of Agriculture Faisalabad, Faisalabad, 38000, Pakistan
| | - Tariq Munir
- Institute of Microbiology, Faculty of Veterinary Sciences, University of Agriculture Faisalabad, Faisalabad, 38000, Pakistan
| | - Muhammad Sohaib Ikram
- Department of Pathology, Faculty of Veterinary Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Naveed Shahzad
- School of Biological Sciences, The University of Punjab, Lahore, Pakistan
| | | | - Arshad Ali
- Livestock and Dairy Development Department, Civil Veterinary Hospital, 5-GB, Nankana Sahib, Pakistan
| | - Muhammad Imran Arshad
- Institute of Microbiology, Faculty of Veterinary Sciences, University of Agriculture Faisalabad, Faisalabad, 38000, Pakistan.
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