epa02749483 Medical technical assistant Brigitte Weiss holds a Petri dish that contains Escherichia coli (EHEC) bacteria strains at the university hospital in Hamburg,?Germany, 24 May 2011. Germany reported its first death 24 May from a virulent super-bacterium that has spread through the north of the country in just a week, possibly via fresh produce sold in supermarkets.  EPA/Christian Charisius