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Strep Infection
Studies from Johnson & Johnson provide new data on strep infection
December 2nd, 2008
"Fluoroquinolone-resistant variants of pandemic clones Spain(23F)-1, Spain(6B)-2, Spain(9V)-3, and Spain(14)-5 have been seen in various regions of the United States and the world, leading to the speculation that fluoroquinolone resistance among US Streplococcus pneumoniae may increase because of clonal spread. Using levofloxacin as a representative of the fluoroquinolone class, all 196 levofloxacin-resistant pneumococci from a total of 22 794 isolates in the Tracking Resistance in the United States Today (TRUST) 5-8 Studies (2001-2004) were subjected to pulsed-field gel electrophoresis (PFGE), serotyping, and sequencing of parC/E and gyrA/B quinolone resistance-determining regions (QRDR)...
Source: TB & Outbreaks Week (2008-12-02)
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