{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T15:20:16Z","timestamp":1759159216737},"reference-count":28,"publisher":"American Society for Microbiology","issue":"9","license":[{"start":{"date-parts":[[2009,9,1]],"date-time":"2009-09-01T00:00:00Z","timestamp":1251763200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2009,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Since 2000, our geographical region in France systematically surveys bloodstream infections (BSI) due to\n            <jats:italic>Staphylococcus aureus<\/jats:italic>\n            . This survey involves 39 health care institutions (HCIs) encompassing 6,888 short-stay beds and was performed during two 3-month periods during 2007 and 2008. The study periods of this survey identified 292\n            <jats:italic>S. aureus<\/jats:italic>\n            isolates causing BSI. Extensive molecular characterization, including genotyping as well as toxin,\n            <jats:italic>agr<\/jats:italic>\n            , and staphylococcal cassette chromosome content determinations, allowed us to describe epidemiological evolution in comparison to that discussed in our previous study. Our main epidemiological observation shows that the incidence of BSI remained constant but that methicillin (meticillin)-resistant\n            <jats:italic>S. aureus<\/jats:italic>\n            strains with a wider variety of genetic backgrounds now harbor\n            <jats:italic>pyl<\/jats:italic>\n            , as has already been reported in different European countries. We noticed stable numbers of BSI episodes involving community-acquired methicillin-sensitive\n            <jats:italic>S. aureus<\/jats:italic>\n            (MSSA), whereas a drastic increase in the number of strains harboring the\n            <jats:italic>tst<\/jats:italic>\n            gene was recorded. The increase in the number of\n            <jats:italic>tst<\/jats:italic>\n            gene-harboring strains is related to known hospital-acquired MSSA isolates and appears related to epidemic episodes in specific HCIs. Monitoring the increase in prevalence of specific strains helps us understand where the standard precautions are not satisfactorily applied or do not efficiently prevent the spread of epidemic MSSA strains in these HCIs. The recent increases in incidence of these strains call for particular vigilance to avoid the spread of potentially virulent MSSA strains harboring the\n            <jats:italic>tst<\/jats:italic>\n            gene and for continuance of this strategy of BSI surveillance.\n          <\/jats:p>","DOI":"10.1128\/jcm.00780-09","type":"journal-article","created":{"date-parts":[[2009,7,23]],"date-time":"2009-07-23T01:43:30Z","timestamp":1248313410000},"page":"2863-2871","update-policy":"http:\/\/dx.doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":10,"title":["Variable-Number Tandem Repeat Analysis and Multilocus Sequence Typing Data Confirm the Epidemiological Changes Observed with\n            <i>Staphylococcus aureus<\/i>\n            Strains Isolated from Bloodstream Infections"],"prefix":"10.1128","volume":"47","author":[{"given":"Nathalie","family":"van der Mee-Marquet","sequence":"first","affiliation":[{"name":"Service de Bacte\u0301riologie 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