Extended-spectrum-beta-lactamase-producing Enterobacteriaceae strains in various types of private health care centers.

During a 2004 survey, 49 extended-spectrum-beta-lactamase-producing enterobacteria were collected in 20 French private health care centers and one local hospital. They included 12 CTX-M-producing Escherichia coli strains (1.8% versus 0.