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Article

Transmission of Methicillin-Resistant Staphylococcus spp. from Infected Dogs to the Home Environment and Owners

1
Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 1433 Ås, Norway
2
Research and Development, Previwo AS, 0454 Oslo, Norway
3
Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 1433 Ås, Norway
*
Author to whom correspondence should be addressed.
Academic Editor: Marc Maresca
Antibiotics 2022, 11(5), 637; https://doi.org/10.3390/antibiotics11050637
Received: 31 March 2022 / Revised: 27 April 2022 / Accepted: 7 May 2022 / Published: 10 May 2022
Dogs with methicillin-resistant Staphylococcus spp. (MRS) infections often undergo treatment in their homes, interacting with their owners and surroundings. This close contact between dogs and owners may facilitate the interspecies transmission of MRS. Therefore, this study aimed to investigate the transmission of MRS from infected dogs to their owners and home environments. Seven households with dogs that had been diagnosed with methicillin-resistant S. pseudintermedius (MRSP) and one household with a dog with methicillin-resistant S. epidermidis (MRSE) participated in the study. Dogs, owners, and the home environments were screened for the presence of clinical MRS. A selection of 36 staphylococcal isolates were whole-genome sequenced and screened for resistance genes and virulence genes. Clinical MRS were primarily identified from the dogs and their immediate surroundings, but these were also detected in locations that were out of reach for the dogs, indicating indirect transmission. Two of eight owners carried clinical MRS in their nostrils, while one owner carried methicillin-susceptible S. pseudintermedius (MSSP). All clinical MRS were multi-resistant, and several possessed resistance genes that were not expressed phenotypically. Clinical MRSP persisted in the home environment for a prolonged period, despite infection recovery and one dog being euthanized. Regardless of the stable presence of MRSP in the surroundings, the owners in these homes remained negative, but tested positive for MSSP on three occasions. View Full-Text
Keywords: antimicrobial resistance; methicillin-resistance; one health; Staphylococcus pseudintermedius; Staphylococcus epidermidis antimicrobial resistance; methicillin-resistance; one health; Staphylococcus pseudintermedius; Staphylococcus epidermidis
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MDPI and ACS Style

Røken, M.; Iakhno, S.; Haaland, A.H.; Wasteson, Y.; Bjelland, A.M. Transmission of Methicillin-Resistant Staphylococcus spp. from Infected Dogs to the Home Environment and Owners. Antibiotics 2022, 11, 637. https://doi.org/10.3390/antibiotics11050637

AMA Style

Røken M, Iakhno S, Haaland AH, Wasteson Y, Bjelland AM. Transmission of Methicillin-Resistant Staphylococcus spp. from Infected Dogs to the Home Environment and Owners. Antibiotics. 2022; 11(5):637. https://doi.org/10.3390/antibiotics11050637

Chicago/Turabian Style

Røken, Mari, Stanislav Iakhno, Anita H. Haaland, Yngvild Wasteson, and Ane M. Bjelland. 2022. "Transmission of Methicillin-Resistant Staphylococcus spp. from Infected Dogs to the Home Environment and Owners" Antibiotics 11, no. 5: 637. https://doi.org/10.3390/antibiotics11050637

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