I was just reading that this is a unknown unique strain.
European food outbreak soars; mystery deepens Medical authorities appeared no closer to discovering either the source of the infection or the mystery at the heart of the outbreak: why the unusual strain of the E. coli bacteria appears to be causing so many cases of hemolytic uremic syndrome, which attacks the kidneys and can cause seizures, strokes and comas.
"This particular strain we're dealing with now seems to be unique," said Dr. Hilde Kruse, program manager for food safety at WHO Europe:
Germany's national health agency said 1,534 people in the country had been infected by EHEC, a particularly deadly strain of the common bacteria found in the digestive systems of cows, humans and other mammals. The Robert Koch Institute had reported 1,169 a day earlier.
I guess that leaves the $64,000 question - natural or gengineered?