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Verotoxin-producing Escherichia coli(VTEC) belonging to several different O serotypes, has been associated with watery or bloody diarrhea, hemorrhagic colitis, and hemolytic uremic syndrome. One serotype (O157: H7) is now recognized as an important human pathogen of public health concern. Till now, little information was available on the global prevalence of VTEC of O157 and other serotypes in patients with diarrhea and HUS in Iraq.This book provides a unique data on the prevalence and characterization of VTEC obtained from patients with diarrhea

Enterococcus faecalis strains are becoming increasingly important agents of human disease, largely because of their resistance to antimicrobial agents. Because of their resistance to penicillins and cephalosporins of several activity ranges, the acquisition of high-level resistance to aminoglycosides, and now the emergence of vancomycin resistance, these bacteria are often involved in serious infections among patients receiving broad-spectrum antimicrobial chemotherapy.In Iraq, little information regarding vancomycin resistance and virulence factors presented in E. faecalis strains....