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publicado em 03/06/2011 às 15h44:00
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WHO confirms bacterium E. coli can be transmitted from person to person

"This type of transmission worries us, and for this reason, we want to reinforce the messages related to personal hygiene"

EFE  
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In the picture, working with professional cultivation of bacteria in laboratory
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In the picture, working with professional cultivation of bacteria in laboratory

The World Health Organization (WHO) confirmed on Friday that the intestinal bacterium E. Enterohemorrhagic coli can be transmitted from person to person through the sediments or orally.

"This type of transmission worries us, and for this reason, we want to reinforce the messages related to personal hygiene," said WHO epidemiologist Andrea Ellis.

The expert noted that so far all the cases "are related to the north of Germany," so it is believed that exposure to the bacteria is "limited to that area."

On the routes of transmission, said the contagion "may occur without proper hygiene," why an effective preventive measure is to wash hands thoroughly after using the toilet and before handling food.

The north of Germany concentrates 95% of cases: 1213 E. coli enterohaemorrhagic (EHEC), of which six were fatal, and 520 of Hemolytic Uremic Syndrome (HUS), with 11 deaths.

The number of patients for a total of 12 countries increased to 1,823, of whom 18 died.

The EHEC has an average incubation period of three to four days, with most patients recover within 10 days, but in a few patients, mainly children and elderly - the infection can lead to HUS, a serious disease that cause characterized by acute renal failure.

Since it appears SUH comes across the disease severity, with a mortality risk between 3% and 5%, according to WHO data.

The HUS is the most common cause of severe kidney failure in children and can cause neurological complications up to 25% of patients, and sequelae.

At a news conference, Ellis mentioned that one unusual aspect of this outbreak is the large number of cases of HUS and also the fact that adults are the most affected, while not usually the highest risk group.

Furthermore, he commented that the greatest impact is among the women for allegedly tend to consume more raw vegetables in salads, and it is believed that is where lies the source of the bacteria.

"The most likely case is that the mode of transmission is through food, but not sure which. And this does not mean it can not be anything else," he stressed, after explaining that water, contact with animals or people are also infected with other known modes of transmission.

On the other hand, stated that the lethal variant of the bacteria circulating in Germany had already been seen in humans, but always sporadically and never in epidemic situations.

The expert acknowledged that "there is something in this bacterium that is particularly virulent, but have not yet figured out what it is.

About treatment, said the WHO advises against giving antibiotics and antidiarrheal "because they can worsen the situation," though "individuals may be instances that use."

Among the reasons - he said - is that the antidiarrheal slow intestinal transit, which makes the risk of absorption of the toxin released by E. coli is higher.

Asked if this outbreak is fleeting, Ellis responded that "it is too early to tell."

Source: EFE
   Palavras-chave:   E.coli contáfio person person person person    Infection    Intestinal bacteria    WHO   
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