Escherichia coli O157:H7 in beef cattle presented for slaughter in the U.S.: higher prevalence rates than previously estimated.
Gansheroff
L J
LJ
Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814-4799, USA.
O'Brien
A D
AD
D000818:Animals; D015373:Bacterial Typing Techniques; D002417:Cattle / Q000382:microbiology*; D019453:Escherichia coli O157 / Q000302:isolation & purification* / Q000472:pathogenicity; D014774:Virulence