Escherichia coli K1 strain

Prepared by: Michael J. Huerkamp, DVM, Diplomate ACLAM
Date: April 2, 1999

Agent: Escherichia coli K1 strain

This bacterium is a normal and common inhabitant of the bowel of many mammals including humans.

Potential Hazard: Some strains of E. coli may cause digestive system and systemic infections particularly in the young. It may cause diarrhea and infection of the blood. E. coli K1 may cause neonatal sepsis (infection and toxins in the blood) in premature infants and neonatal rodents. This strain does not pose a substantial health threat to normal adults.

Recommended Precautions: The animal biosafety level II practices (DAR SOP 400-3) will protect husbandry personnel against exposure or infection. Vaccines are not available for use in humans.