to blame. last week the officials pointed to contaminateed cucumbers from spain as a cause sparking vegetable bans and protests from spanish farmers but the spanish cucumbers were contaminated with a different strain of e. coli and one expert says this kind of wishy washy response is in koch tenth. and now back to you, doctor. now it is in the sprouts or cucumbers but sparing the people. guest: they are not scaring us, people of dying. this is the largest e. coli outbreak on the planet and it is, i am puzzled by this whole thing. number one, this is the perfect bug. we have never seen this buc before, it has two d.n.a. sequences which are very unique and you find these isolated sequences in other e. coli but to have them two, at the same time, makes the bug highly toxic, resistant to antibiotics