Original Article

Laboratory Survey of Antibiotic Nonsusceptibility among Streptococcus pneumoniae Isolates in South Carolina, 1998 versus 2000

Background In 1998, the South Carolina Department of Health and Environmental Control surveyed clinical microbiology laboratories statewide to determine the prevalence of antibiotic nonsusceptibility among isolates of Streptococcus pneumoniae. A follow-up study was conducted in 2001. Methods A cross-sectional study was conducted to estimate the prevalence of penicillin nonsusceptibility (PCN-N),…