2011年6月27日月曜日

ドイツのDIE ZEIT 新聞の病原性大腸菌(EHEC)の新聞記事、ロシアは、ドイツの家畜が病原性大腸菌EHEC O104号H4型の感染源とみる

ドイツのDIE ZEIT 新聞の病原性大腸菌(EHEC)の新聞記事、ロシアは、ドイツの家畜が病原性大腸菌EHEC O104号H4型の感染源とみる

Die zeit
http://www.zeit.de/

E.coli
http://www.zeit.de/suche/index?q=e.coli

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22/06/2011, TIME ONLINE
Russia sees as German cattle EHEC source
ドイツのDIE ZEIT 新聞の病原性大腸菌(EHEC)の新聞記事、ロシアは、ドイツの家畜が病原性大腸菌EHEC O104号H4型の感染源とみる
... noted. Now I hpe that the german authorities perceive the danger., "said tahnks value. The presence of E.coli bacteria on foods is not uncommon. The natural human gut flora is different from
http://www.zeit.de/wissen/gesundheit/2011-06/russland-ehec-deutschland

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Import policy
 
Russia sees as German cattle Ehec source
 
Russia has repealed its ban on imports of EU and vegetables for limited imports of meat and milk from Germany - where the suspects Russia Ehec stove.
© Ralph Orlowski / Getty Images

An abattoir in Mannheim

Europe's farmers can export their vegetables to Russia again. The European Union and Russia have signed according to the EU Commission in Moscow an agreement on the abolition of the import alert. The spokesman said the authorities in Brussels. After the outbreak of infections with the bacterium in Germany Ehec the import ban was imposed.
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Originally Ehec germs live in the intestines of cattle. As the most aggressive pathogen type O104: H4, which called for closer scientific EAEC would have originally came on the rungs of Lower Saxony is still unclear.
More accurate, however, the authorities know about how the germ could spread: All evidence suggests that the epidemic in Germany by a court in the district of Uelzen, Lower Saxony, ran out, where sprouts were contaminated.
Besides the direct risk of infection by bacteria rich foods is a risk that infected infect each other through contact infection. Therefore continue to advise authorities particularly strict hygiene. This is especially true for employees of restaurants and food establishments. In mid-June were 20 guests at a family celebration had been infected because one employee of a catering service had been infected without being noticed. So the food came into contact with the germ.
Russia suspected as the source of the bacterium now Ehec meat and milk from Germany. The products of ten dairy farms and meat producers of three allowed by next Monday, no longer reach into the country. A poultry farm was hit, said the Russian state veterinary supervision. Russia prepares accordingly before an import ban on products from a total of nearly 300 German companies.
The decision was taken after inspections in Germany, said chief veterinary supervision Thanks Sergei value. Various Escherichia coli bacteria were discovered on various products. "We have always pointed out. Well, I hope that the German authorities perceive the danger," said thanks value. The presence of E. coli bacteria on foods is not uncommon. Even the natural intestinal flora of humans is colonized by different E. coli strains. Most of them are harmless.
The findings of Russian inspectors to prove that is by no means been a connection between the epidemic and the current Ehec companies whose products are no longer allowed to be delivered to Russia.
Ehec bacterial disease infection treatment protection Ehec bacteria In the human intestine is full of microorganisms and bacteria. This is not unusual. Many germs may support the digestion of food or the defense against pathogens. Escherichia coli are very common to find in the intestine.

Infographics Ehec
© Helen Gruber Click on the image to download the information graphics as a PDF.
EHEC bacteria (Escherichia coli, enterohaemorrhagic), however, form a sometimes dangerous strain of E. coli. You can toxins, mainly produce the Shiga toxin. Nest Ehec bacteria in the intestine one, as in the mucosa, invades the poison in the inner cells of the intestinal wall and destroyed vessels. In Germany, 42 strains of EHEC pathogens are known.
The current outbreak Ehec is very unusual. Usually diagnosed in young children, especially the average age of 3 years. Severe disease is rare. Currently, however, are affected mainly adults, predominantly women. "In addition, the rapid increase in the number of patients and the severity," said the hygienist and director of the Reference Laboratory for Hu, Helge Karch, Times Online. The extent of his worry. "The disease course is so aggressive that the pathogen probably bring a special poison cocktail." Meanwhile, Karch and his team have identified the pathogen. Disease Those who become infected with EHEC bacteria must not necessarily become ill. But often it comes about three days after infection to watery diarrhea. Two-thirds of the patients excrete after another two or three days, bloody stools.
The disease is accompanied by nausea, vomiting and abdominal pain. Fever is also possible but rare.
During past outbreaks Ehec developed about ten to twenty percent of sufferers a severe course. Anyone with diarrhea and blood in stool suffers should immediately consult a doctor.
A week after the diarrhea can cause dangerous hemolytic-uremic syndrome (HUS) can occur. Bloody inflammation of the intestinal mucosa occur, the decrease in platelets necessary for blood clotting, toxins accumulate in the body, blood vessels are destroyed. In the worst case, the kidneys fail, there will be blood clots in the brain. Hus usually gets only about one in ten sufferers. The mortality rate in the acute phase at two percent of those affected. Infection Ehec bacteria are found all over the world. Infections with the pathogens are notifiable since 2001 in Germany if they are noticed. Since then transmitted to health authorities nationwide annually 925-1183 Ehec diseases to the competent Robert Koch Institute (RKI) in Berlin.
The pathogens are found mainly in the gut of ruminant animals such as cattle, sheep and goats. However, they have also been detected already in the intestines of pigs, deer and roe deer. Infected animals become ill and not divorced Ehec germs from faeces. The pathogens are environmentally resistant and can survive for up to a year outside of the intestine. Moreover, only a few dozen ranging from bacteria to become infected.
Previously, it mainly affects children of EHEC infections. People can become infected through direct contact with animals infected with other people while bathing or food contaminated with feces. Are suffering because of the recent outbreak Ehec many people in a short time in different states, food is currently the most likely source of infection.
Currently, the RKI is assumed that the sprouts Ehec epidemic in Germany led. The seedlings provided already in Japan for a big wave of infections. 1996 affected more than 10,000 people.
For Ehec outbreaks generally numerous sources of infection are considered: raw milk and raw milk cheese and raw meat products (Streichmettwürste or minced meat) or short-cooked meat. Contaminated fruits and vegetables can be the source, or other uncooked foods. Ehec bacteria may have been attached by fertilizing with manure on the food. In most previous outbreaks of disease by the pathogen could not be found the source of infection. Treatment Physicians currently treat with light gradients, especially the symptoms of the disease Ehec. People often divorced from the bacteria by itself. That can sometimes take a few weeks.
Antibiotics help against Ehec little bacteria, on the contrary: "The gift can sometimes increase the toxin production (the seeds) even," the hygienist said Karch. Therefore, doctors strongly advised not to treat a Ehec infection with antibiotics.
The people who are acutely ill are currently treated with dialysis and blood purification. Thus, the toxins are washed from the body. However, some patients had parts of the colon are removed. "Damages the kidneys and high blood pressure are probably due partly destroyed vessels," says Karch.
In the initial phase of the hemolytic-uremic syndrome patients in urgent need of liquid, such as over saline infusions. This allows the most severe form of the disease, prevent kidney failure. Otherwise, a kidney transplant or lifelong dialysis is necessary.
Since more than 650 people in Germany are ill or particularly difficult to Hus, were sat on a number of potentially risky medical treatment attempt. They gave some patients the antibody solution eculizumab. In some cases the infusion had helped Hus-patients in the past. Tested is not the method. Protection "As long as the originally contaminated food and the producers are not identified, we must pay attention to hygiene embarrassing" the microbiologist says Karch. Vegetables and fruit must be thoroughly cleaned. In the kitchen knives and cutting boards should be used for each food separately and then thoroughly cleaned.
Meat and vegetables should be separated from each other in the refrigerator and cook separately. Plaster and dishcloths should at short intervals are changed or boiled.
Food should be sufficiently heated before consumption. "Ehec pathogens as well as their toxins are very heat labile. From 60 to 70 degrees, the germs and their toxins destroyed," says Karch.
The Robert Koch Institute recommends that all people with diarrhea, always wash hands thoroughly and / or disinfect them, especially if small children or immunocompromised people in the vicinity.
If a family member become ill, should the toilet and surfaces that are touched the sick, cleansed and disinfected regularly.
Described in bacteria, the scientists as Ehec strains are E. coli bacteria, which are sometimes dangerous toxins. None of the variants had been so aggressive as the current O104 bacteria prompt type: H4. It has been observed in about May of cucumbers from Spain Ehec pathogens. This was however not the cause of the German epidemic.
Earlier this year, Russia had banned because of the dioxin scandal days of the pork and poultry imports from Germany. However, the contamination of food with dioxins - even beyond existing limits beyond - not to compare with the contamination with the aggressive Ehec germ: Even the recording less O104: H4 Ehec bacteria is enough to suffer from a serious intestinal infection. Compared to previous epidemics with Ehec pathogens are developing above-average number of people infected with the severe complication of kidney failure Hus. About half of patients suffer from Hus also suffer from neurological disorders. The consumption of dioxin-contaminated eggs, however, is not directly harmful.
More about Ehec and infectious diseases, "The microbes have the last word" Tracing Ehec germ transmitted from person to food EHEC O104 pathogens is the origin? Tags Russia | Ehec | meat products | milk products | disease | Import on Tuesday had already reported the Russian news agency Ria Novosti, Russia is considering an import ban on German meat. This was also confirmed Russia's chief veterinary doctor Nikolai Vlasov.
While the EU seeks primarily in vegetable farms on the EHEC pathogens, the Russian Agricultural Supervision Authority, according to Vlasov's Rosselchosnadsor sees a livestock operation as a source of infection. Since most diseases occurred in Germany, where the infection was to be sought.
Meanwhile, may the Frankfurt vegetable farm, which after a Ehec find was in salad and washing water was locked sell food again. The company strengthens its controls, among other things, continue to avoid exposure to the gut bacterium, said the Hessian Ministry of Consumer Protection. Was on a salad from the operation on 9 June a Ehec germ had been discovered. This was also not the dangerous type O104: H4. The product was recalled. Since Ehec was also observed in the lettuce wash, the entire operation had been blocked.
Read more here from the Health Department.

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