Volume 11, Number 6—June 2005
Dispatch
Erythromycin-nonsusceptible Streptococcus pneumoniae in Children, 1999–2001
Figure

Figure. . From 1995 to 2001, the proportion of erythromycin-nonsusceptible pneumococcal strains carrying the mefE gene increased over time by county, season, race, and age group. p<0.01 for all trends except for Anne Arundel County and May–October season (p = 0.02 for those comparisons).