Antimicrobial susceptibility patterns among a large, nationwide cohort of abiotrophia and granulicatella clinical isolates

Abstract

Antimicrobial susceptibility patterns from 599 A. defectiva, G. adiacens, and G. elegans clinical isolates were determined by broth microdilution. We observed significant differences in susceptibility across species, particularly to penicillin and ceftriaxone, and across geographical regions. A. defectiva was the least susceptible species overall to penicillin. All isolates were susceptible to vancomycin and β90% were susceptible to levofloxacin.