Ontario Researchers Discover How Bacteria Become Resistant to Antibiotics

An EHEC bacteria is visible in Berlin, Germany on May 30, 2011. (Courtesay Manfred Rohde, Helmholtz-Zentrum fuer Infektionsforschung (HZI)/Getty Images)

Ontario researchers say they have discovered how bacteria become resistant to antibiotics, a finding they say could help combat the growing problem.