Plants in a polytunnel
Media playback is unsupported on your device

Search goes on for E. coli source

German scientists are still trying to find the source of the E. coli outbreak that has killed 22 people.

The first tests on bean sprouts from a German farm suspected of being the source, have come back negative.

The BBC's Stephen Evans, in Berlin, says the way in which the search is being carried out is upsetting many in the farming industry.

  • 07 Jun 2011
  • From the section Europe