Background The emergence of drug-resistant strains of bacteria has complicated treatment
decisions and may lead to treatment failures. Methods We examined data on invasive …

Background Streptococcus pneumoniae is a major cause of illness, and the emergence of
drug-resistant strains threatens to complicate the management of pneumococcal infections …

The Alexander Project is a global surveillance study conducted from 1992 to 2001. Minimum
inhibitory concentrations and percent resistance to a panel of antimicrobial agents were …

Penicillin resistance threatens the treatment of pneumococcal infections. We used sentinel
hospital surveillance (1978 to 2001) and population-based surveillance (1995 to 2001) in …

Objective.—To estimate drug susceptibility patterns ofStreptococcus pneumoniaein selected
hospitals in the United States and to characterize the epidemiology of invasive drug …

ABSTRACT A total of 1,531 recent clinical isolates of Streptococcus pneumoniae were
collected from 33 medical centers nationwide during the winter of 1999–2000 and …

Pneumococci were once among the most highly penicillin-susceptible bacteria. However,
reports of multidrug-resistant strains have been published since the late 1970s. The rapid …

To identify factors associated with antimicrobial resistance, data were analyzed from 27,828
isolates of Streptococcus pneumoniae submitted to the Tracking Resistance in the United …

ABSTRACT A total of 6,991 unique patient isolates of Streptococcus pneumoniae were
collected from October 1997 to June 2002 from 25 medical centers in 9 of the 10 Canadian …

The aim of the study was to determine the incidence of and risk factors for drug resistance of
Streptococcus pneumoniae, and its impact on the outcome among hospitalized patients of …