Volume 11, Number 6, June 2005

Relative Fitness of Fluoroquinolone-resistant Streptococcus pneumoniae

Crystal N. Johnson,* David E. Briles,* William H. Benjamin Jr.,* Susan K. Hollingshead,* and Ken B. Waites*
*University of Alabama at Birmingham, Birmingham, Alabama, USA

Figure 1. In vitro competition between Streptococcus pneumoniae EF3030 and the Phe/Phe mutant (A) and between EF3030 and the Phe/Tyr mutant (B) in liquid medium (broth). Bars indicate medians. Lines connect strains competing in the same broth. p values were calculated by the Wilcoxon matched-pairs signed-rank test.

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This page last reviewed May 17, 2005

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention