Image:Colonies of E. coli bacteria grown on a Hektoen enteric (HE) agar plate are seen in a microscopic image courtesy of the U.S. Centers for Disease Control (CDC). U.S. health officials on May 26, 2016 . CDC/Handout via REUTERS By Kylie MacLellan and Ben Hirschler ISE-SHIMA, Japan/LONDON (Reuters) – Britain … Continue reading G7 told to act on antibiotics as dreaded superbug hits U.S.