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Therefore, it is important to determine the prevalence of <jats:italic>S. aureus<\/jats:italic> and methicillin\u2010resistant <jats:italic>S. aureus<\/jats:italic> (MRSA) in individuals, especially older adults. In this study, we investigated the prevalence of <jats:italic>S. aureus<\/jats:italic> and MRSA in the oral cavity and feces of residents in long\u2010term care facilities (LTCFs). <jats:italic>S. aureus<\/jats:italic> was isolated from the oral cavity of 61\/178 (34.3%) participants, including 28 MRSA\u2010positive participants (15.7%), and from the feces of 35\/127 (27.6%) participants, including 16 MRSA\u2010positive participants (12.6%). <jats:italic>S. aureus<\/jats:italic> and MRSA were isolated from both sites in 19\/127 individuals (15.0%) and 10\/127 individuals (7.9%), respectively. Among 19 participants with <jats:italic>S. aureus<\/jats:italic> isolation from both sites, 17 participants showed the same sequence type (ST) type. Then, we analyzed the correlation of <jats:italic>S. aureus<\/jats:italic> and MRSA in the oral cavity and rectum with the participant's condition. <jats:italic>S. aureus<\/jats:italic> and MRSA positivity in the oral cavity was significantly related to tube feeding, while there was no correlation of rectal <jats:italic>S. aureus<\/jats:italic>\/MRSA with any factors. Our findings regarding the oral inhabitation of MRSA and its risk factors indicate the importance of considering countermeasures against MRSA infection in LTCFs.<\/jats:p>","DOI":"10.1111\/1348-0421.13111","type":"journal-article","created":{"date-parts":[[2024,1,17]],"date-time":"2024-01-17T12:08:47Z","timestamp":1705493327000},"page":"75-89","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Oral and rectal colonization of methicillin\u2010resistant <i>Staphylococcus aureus<\/i> in long\u2010term care facility residents and their association with clinical status"],"prefix":"10.1111","volume":"68","author":[{"given":"Satoru","family":"Kusaka","sequence":"first","affiliation":[{"name":"Department of Pediatric Dentistry, Graduate School of Biomedical and Health Sciences Hiroshima University Hiroshima 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