E. coli strain a first of its kind

An employee of Czech center of national reference laboratories prepares samples of vegetables for molecular testing. Samples of vegetables imported from various countries are tested for the deadly E. Coli bacteria at the laboratory.

An employee of Czech center of national reference laboratories prepares samples of vegetables for molecular testing. Samples of vegetables imported from various countries are tested for the deadly E. Coli bacteria at the laboratory.

Published Jun 2, 2011

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LONDON- The World Health Organisation says the E. coli strain responsible for the deadly outbreak in Europe is a new bacteria that has never been seen before.

The agency says Thursday that preliminary genetic sequencing suggests the strain is a mutant form of two different E. coli bacterium, with lethal genes that could explain why the Europe-wide outbreak appears to be so massive and dangerous.

Hilde Kruse, a food safety expert at the World Health Organisation, said “this is a unique strain that has never been isolated from patients before.” She added that the new strain has “various characteristics that make it more virulent and toxin-producing.”

So far, the mutant E. coli strain has killed 17 people in Germany, and sickened more than 1,500 others, including 470 who have developed a rare kidney failure complication. Sapa-AP

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