Molecular epidemiology of Staphylococcus aureus colonization in 2 long-term care facilities. |
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| Authors: | Lona Mody Erica Flannery Andrew Bielaczyc Suzanne F Bradley |
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| Affiliation: | Geriatric Research Education and Clinical Center, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI 48105, USA. lonamody@umich.edu |
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| Abstract: | Persistent colonization with Staphylococcus aureus was assessed in 22 nursing home residents. Eighteen residents (82%) remained colonized with the same strain found at baseline; 6 (33%) of 18 residents transiently acquired a new strain. Four residents (18%) acquired a new persistent strain. Residents colonized with methicillin-resistant S. aureus were more likely to acquire a new strain (67%) than were residents colonized with methicillin-susceptible S. aureus (20%) (P=.04). |
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