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Gurken: weitere Todesopfer, Handelsspannungen steigen

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Veröffentlicht 31. Mai 2011, aktualisiert 15. April 2013

Der Ursprung der E.coli in Gurken, die zu 14 Todesfällen und zu hunderten von Infizierungen geführt hat, blieb gestern (30. Mai) noch immer ein Geheimnis. Wissenschaftler versuchen, die Prüfungsmechanismen zu beschleunigen, während sich Spannungen beim Handel von europäischem Gemüse entwickelten.

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All the deaths have occurred in Germany, where there are 329 confirmed infections, but cases have now spread to the US – where three victims have been identified.

The majority of infections and fatalities have hit women in middle-to-old age, whose kidneys were damaged by toxins after they developed Hemolytic-uremic Syndrome (HUS) following infection by the E.coli (see 'Background').

Most of the infections outside Germany affected Germans travelling abroad or foreigners who have recently been in Germany. All but one of the deaths were recorded in northern Germany, but fears that the outbreak was spreading increased when an elderly woman died in the western state of North Rhine-Westphalia yesterday.

Sweden has reported 30 cases out of which 13 developed HUS, Denmark 11 cases (five with HUS), the UK three (two HUS), the Netherlands one HUS case and Austria two STEC cases (see 'Background').

Scientists seek fast answers

Fresh cucumbers from Almeria and Malaga were identified on 26 May as one of the sources of the outbreak, but investigations are ongoing and scientists have not ruled out other potential sources  – or contamination during transportation – and test results are expected to give more definitive results tomorrow.

A source within the EU executive said that food safety experts across Europe were communicating with the EU's reference laboratory for the bacterium – based in Rome – to discover how to speed up the process of culturing the bacteria to identify its spread.

The Rome-based laboratory has been finalising a method of shortening the time taken to develop cultures from up to a week down to around 48 hours.

Trade tensions mount over vegetables

Spanish authorities suspended the activities of farms in Almeria and Malaga last week. One suspect consignment of Spanish cucumbers was distributed to Denmark, whose authorities traced and withdrew them from the market. Suspected batches were also redistributed from Germany to Hungary, Austria, France, Luxembourg and the Czech Republic.

Health officials in Germany cautioned the public against eating cucumbers, tomatoes and lettuces and some of these products have been removed from the shelves of shops. Austria has banned the sale of cucumbers, tomatoes and aubergines imported via Germany, while Russia has banned the import of some vegetables from Germany and Spain.

Interfax press agency quoted the Russian consumer protection head, Gennady Onishchenko, as warning that "if the situation does not change, then we will ban all European vegetable products".

Diego Lopez Garrido, Spain's secretary of state for European affairs, said "you can't attribute the origin of this sickness to Spain, there is no proof and that's why we are going to demand accountability from those who have blamed Spain for this matter".

Meanwhile, MEPs from the European Left/Nordic Greens yesterday demanded that the Commission make a statement on the spread of the bacterium to the European Parliament's plenary session next week.

Jeremy Fleming

Stellungnahmen: 

"The Commission is following the situation closely, and has activated all existing networks created to manage these kinds of incidents and is in constant contact with all affected Member States," the EU executive said in a statement.

"German scientists discovered the bacteria on cucumbers late last week and notified the Spanish health authorities who took immediate action to respond to the rapid alert," a European Commission source explained.

"They went to the greenhouse in question the Friday and took samples and we are waiting the results of those tests. The results are coming back hour by hour," the source added.

The source said: "The normal diagnostic time for culturing the disease is five to seven days. So a lot of time has been needed to make cultures. Since then the reference laboratory for the disease based in Rome has developed a new method taking a shorter time period (approximately two days)."

Commission officials said that all possibilities were still being explored: that the contamination may have arisen at source irrigation in the farm or some form of contamination over the surface of the cucumbers during the transportation process. They could not rule out at this stage whether some other vegetable may also be responsible for the spread of the disease.

"In order to respond as quickly as possible, the European Food Safety Authority (EFSA) is liaising with the European Commission, the European Union Reference Laboratory for VTEC, the European Centre for Disease Prevention and Control (ECDC) as well as with all relevant member states through its Advisory Forum network and has put internal procedures in place, should an urgent request for advice be required," a spokesman from the European Food Safety Authority said.

"The Commission must make a statement on the spread of the deadly bacterium E.coli in food products across several EU countries to the European Parliament's plenary session next week," a statement from the GUE/NGL group of leftist MEPs demanded yesterday.

It continued: "Having identified one of the sources of the outbreak on 26 May as organic cucumbers, the Rapid Alert System for Food and Feed (RASFF) was triggered to inform the 27 member states of an outbreak. However, the importation of the cucumbers dates from 12 May."

"Confusion reigns on the source of the outbreak, but according to the most recent reports, cucumbers, tomatoes and aubergines are suspected of having helped spread the bacteria that have killed 11 [now 14] people in Germany," according to the statement.

The MEPs from the GUE/NGL said they "would like to hear how the Commission is dealing with the issue, the actual source of the contamination and the possibility of further contamination, the quantity of products contaminated and their location and an explanation as to why the RASFF was triggered two weeks late".

Nächste Schritte: 
  • 1 June: More definitive results expected from tests across various EU member states should narrow down the range of possible contamination sources.
Hintergrund : 

E.coli bacteria are common and normally harmless, but a few strains can cause severe illness. In many of the reported cases, the Shiga Toxin-Producing Escherichia coli (STEC) gastrointestinal infection has led to Hemolytic-uremic Syndrome (HUS), which usually occurs when digestive system infection produces toxic substances which destroy red blood cells and can cause kidney failure.

Severe cases can cause failure of the nervous system.

The Sweden-based European Centre for Disease Prevention and Control has called the outbreak "one of the largest described of HUS worldwide and the largest ever reported in Germany". The sickness is not directly contagious but it can be transferred between people if an infected person prepares food for others.

It is the second food scare for German consumers this year. In January highly toxic dioxin was found in egg, poultry and pork products.

The outbreak has confused scientists because whereas HUS normally affects children under the age of five, in this instance nearly 90% are adults and two-thirds are women. The sickness is not directly contagious but it can be transferred between people if an infected person prepares food for others.

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