Natural Habitat
While relatively uncommon, E. coli O157:H7 can naturally be found in the intestinal contents of some cattle. Because ruminants lack a receptor for the toxin the bacteria produce, it does not cause disease in them and is considered commensal.
Read more about this topic: Escherichia Coli O157:H7
Famous quotes containing the words natural and/or habitat:
“The domestic career is no more natural to all women than the military career is natural to all men.”
—George Bernard Shaw (1856–1950)
“Neither moral relations nor the moral law can swing in vacuo. Their only habitat can be a mind which feels them; and no world composed of merely physical facts can possibly be a world to which ethical propositions apply.”
—William James (1842–1910)