Abstract
The prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in the anterior nares and axilla was studied in 920 non-hospitalized subjects: 350 drug addicts, 350 individuals presenting at a hospital emergency room for various reasons, and 220 hospital health care workers. S. aureus was isolated from 105 (11.4%) subjects, in six (6.3%) of whom the isolates were methicillin-resistant. The isolation rate of the organism and the prevalence of resistant strains in the different subgroups were, respectively: drug-addicts, n = 32 (9.1%), n = 2 (6.9%); emergency room patients, n = 36 (10.2%), n = 1 (3.2%); and hospital health care workers, n = 37 (16.8%), n = 3 (8.5%). Our findings suggest that MRSA remains uncommon in the community, while the prevalence of S. aureus carriage (including methicillin-resistant strains) in hospital personnel is quite similar in divergent geographical areas.
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