Mouse Virulence of Human, Systemic, Pathogenic Escherichia coli Strains

Abstract

Strains of Escherichia coli isolated from systemic infections of humans exhibited marked intraperitoneal and intracerebral virulence for mice. This marked virulence was not exhibited by enteropathogenic strains. Previous studies (2, 3, 9) indicated that 9 of 10 This investigation was supported by Public Health Service General Research Support grant 5 S01 FR-5434 and the Marquette University Committee on Researcb.