December 2011

  • Posted: December 10th, 2011 - 4:48pm by Doug Powell

    As the number of sick people doubled from 11 to 22 and one restaurant, Don Julio’s, closed voluntarily Thursday, the Cornith, Mississippi, visitors bureau said no one should hesitate to continue supporting area restaurants.

    Health officials had found no evidence of any food contamination at Don Julio’s, and it was not ordered to close, a sign on the door said.

    However, concern about contamination of vegetables from a supplier and the safety of customers prompted the move.

    Don Julio’s and any other restaurant where confirmed salmonella victims say they ate will come under scrutiny, a state health department spokeswoman said Wednesday.

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  • Posted: December 10th, 2011 - 3:36pm by Doug Powell

    An unidentified Scrooge poisoned visitors to two of Berlin's popular Christmas markets with an offer of tiny bottles of liquor that were laced with vomit-inducing chemicals, police said on Friday.

    The suspect, who was in his mid-40s, hit two of the traditional holiday fairs on Thursday and at the first, spoke to two foreign students, a man and a woman in their mid-20s, in English.

    "He told them about the purported birth of his daughter and handed out little schnapps bottles for a toast," police said in a statement.

    "After they drank, the two victims began experiencing severe cramps and vomiting."

    The woman lost consciousness and had to be hospitalised.

    Later at another Christmas market, what appeared to be the same blond man approached a group of three women in their early 20s with the same story. They also accepted a drink and later had to be treated in hospital.

     

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  • Posted: December 10th, 2011 - 4:51am by Doug Powell

    Real meals in real homes, from the Toronto Star (that’s in Canada).

    Featuring a real doctor; a 54-year-old anesthesiologist who works in the sterile confines of a hospital where he’s also the operating room medical director.

    Dr. Kevin Shine planned to show me how an “obligate carnivore” and his diabetic vegetarian wife get along on the food front.

    He may or may not have realized that the most unusual thing about mealtime in his Oakville home is how involved the family’s cats Angel, Katanya, Sasha and Sam are.

    The feline foursome eats on the spacious granite island in the kitchen. Their food bowls and automatic water dispenser are kept there so Rusty and Tino, two Cavalier King Charles spaniels, don’t get “a constant feast” (pic from Toronto Star).

    The cats freely roam the countertop, even as Kevin’s wife Cheryl chops veggies for her spaghetti sauce on one end and lays out buns and salad fixings on the other.

    A curious Katanya gives one crusty Italian roll a thoughtful lick.

    “I’ll eat that one,” says Kevin with a shrug, explaining how this adored cat needed unusual jaw surgery to survive. “Katanya thinks she’s a person. She sits with us. She eats with us.”

    The Shines don’t usually eat in the dining room, but they decide to do that tonight. They warn that the cats may sit on the table and sample the meal.

    Their oldest daughter Elyse, 26, is at veterinary school in Edinburgh. The younger two live at home. Rebecca, 23, is a research coordinator at York University and hopes to do graduate studies in psychology. Connie, 20, is studying culinary nutrition at George Brown College.

    An anesthesiologist, a vet student, a chef student and a possible shrink, and they’ve never heard of zoonoses.

    “We are most entertaining and live in a very modest house full of cats and dogs as well so be warned!”

    The modest home features a 16-foot dining table and seats 22 people.

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  • Posted: December 10th, 2011 - 4:18am by Doug Powell

    An E. coli outbreak at a Surrey, B.C. (that’s in Canada) seniors' home last month sent three people to hospital, one of whom later died.

    But a spokesman for the Fraser Health Authority said Thursday it's not known whether the person died as a result of the outbreak, which is believed to have been linked to a shared meal.

    Roy Thorpe-Dorward said twice a week the 257 residents at Kiwanis Park Place get together for a meal in the independent living facility. But after one such meal, believed to have been served between Nov. 8 and 14, three of the seniors became ill.

    He said Fraser Health had found no problems with the home's meal service during regular inspections.

    "It's thought to be linked to food preparation, either improper handling of food, inadequate cooking or improper cleaning of food surfaces," he said.

    The two others who fell ill have recovered.
     

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  • Posted: December 10th, 2011 - 4:00am by Doug Powell

    Some runners who participated in the Rock `n' Marathon in Las Vegas say water passed out during the race made them sick.

    The Las Vegas Sun reports that health officials are investigating at least 10 claims of intestinal problems following the Sunday night marathon. They also have posted a survey to pinpoint a possible source for illness complaints that have been posted on Facebook.

    Race organizers filled lined buckets or trash cans with hydrant water, which was used to fill cups offered to racers along the course.

    Some runners complained that the water tasted odd or unclean.

    Race organizers say the hydrant water was tested and found to be safe.

    How about those trash cans?

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    Food Safety Policy  |  Comments
  • Posted: December 10th, 2011 - 3:32am by Doug Powell

    Six years after 5-year-old Mason Jones died a painful and unnecessary death and two years after recommendations from a formal inquiry, the U.K. Food Standards Agency has decided to publish additional guidance on cross-contamination.

    The UK. Meat industry immediately complained.

    In November 1996, over 400 fell ill and 21 were killed in Scotland by E. coli O157:H7 found in deli meats produced by family butchers John Barr & Son. The Butcher of Scotland, who had been in business for 28 years and was previously awarded the title of Scottish Butcher of the Year, was using the same knives to handle raw and cooked meat.

    In a 1997 inquiry, Prof. Hugh Pennington recommended, among other things, the physical separation, within premises and butcher shops, of raw and cooked meat products using separate counters, equipment and staff.

    Five-year-old Mason Jones died on Oct. 4, 2005, from E. coli O157 as part of an outbreak which sickened 157 -- primarily schoolchildren -- in south Wales.

    In a 2009 inquiry, Prof. Pennington concluded that serious failings at every step in the food chain allowed butcher William Tudor to start the 2005 E. coli O157 outbreak, and that the responsibility for the outbreak, “falls squarely on the shoulders of Tudor,” finding that Tudor:

    • encouraged staff suffering from stomach bugs and diarrhea to continue working;


    • knew of cross-contamination between raw and cooked meats, but did nothing to prevent it;


    • used the same packing in which raw meat had been delivered to subsequently store cooked product;
 and,

    • operated a processing facility that contained a filthy meat slicer, cluttered and dirty chopping areas, and meat more than two years out of date piled in a freezer.

    Prof Pennington said he was disappointed that the recommendations he made more than 10 years ago, following the E. coli O157 outbreak in Wishaw, Scotland, which killed 21 people had failed to prevent the South Wales Valleys outbreak.

    In Feb. 2011, the U.K. Food Standards Authority issued guidance to clarify the steps that food businesses need to take to control the risk of contamination from E. coli O157.

    On June 1, 2011, FSA published a Q&A document in response to feedback on its guidance on the control of cross-contamination with E. coli O157.

    A few days later, the National Federation of Meat and Food Traders (NFMFT), warned that the cross-contamination guidelines pose a serious risk to the viability of small butchers and meat businesses.

    Last week, the meat traders were back at it, saying some butchers have chosen to discontinue ready-to-eat food, as enforcement of FSA E. coli guidelines issued in February is getting tougher and this could lead to shop closures in the long-term.

    Local authorities across the UK are increasingly enforcing the guidelines through normal inspection procedures, forcing butchers to alter their businesses. In order to comply with the requirement to separate equipment for raw and ready-to-eat food, some are using alternative vacuum-sealing techniques for prepared meat, but others have decided to discontinue it altogether.

    Bye.

    And the term, cross-contamination, doesn’t capture the carnage that dangerous bacteria can wreak, moving from raw foods to hands, cooked foods, prep surfaces and in butcheries. Bug transfer? The sisterhood of the travelling poop? Suggestions?

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  • Posted: December 9th, 2011 - 4:07pm by Doug Powell

     I’m a terrible negotiator.

    When I took the job at Kansas State University in 2006, I was a tenured, associate professor, and they asked if I wanted to be considered for full professor. I said no, I haven’t done enough, and I’d rather earn the title than have it awarded.

    What I didn’t know is that the achievement clock got a reboot: my previous papers didn’t really count, it was only what I had done at K-State.

    Duh.

    I went up for full professor in 2009; that didn’t go so well. The usual complaint was levied by my departmental colleagues -- we don’t really know what Powell does.

    So I started producing a bunch of journal articles, and that was the best thing for me. I began to better appreciate the effort required to produce something and throw it out into the peer-reviewed world along with the revisions and continual improvement required. I’ve known these things for a long time, but it became more focused.

    So why keep blogging?

    It took a couple of years in which technology has outstripped much of what we thought, a lot of self-examination, and a lot of helpful comments from reviewers, but we finally attempted to answer that question in a new paper, Blogs, infosheets and new media as academic scholarship in food safety research, education and extension."

    The article will appear in the journal, Innovative Higher Education, and is available online in advance of publication at http://bit.ly/vyzEhV.

    Me and Chapman and former research assistant Casey Jacob argue blogs and other forms of social media are ideal tools to further the goals of academic institutions, especially the research, education and extension activities of land-grant universities like Kansas State.

    In the article, Doug Powell, a professor of food safety in the department of diagnostic medicine and pathobiology at K-State, says that researchers and extension personnel at educational institutions should be encouraged to use blogs and other social media to strengthen relations with public stakeholders and enhance their engagement with interested individuals, groups, and subject matter experts.

    "We've been running barfblog.com for almost five years and more than 5,000 posts," Powell said. "Some posts are scientific, some are sad and some are silly. But we keep readers coming back while promoting the goal of a safer food supply. Rather than just respond, we help shape the public discussion of food safety issues."

    The authors note that while being more transparent and nimble with results, blogs and other online communication can compliment rather than replace the rigors of peer-review. Blogs and other online communication forums do represent an additional mechanism for the rapid sharing of ideas, methodologies, research, findings and dialogue. They also say disclosure should be provided on the procedures used for sourcing and conveying information, and references should be cited when appropriate (ours is here: http://bites.ksu.edu/about-bites).

    "It's about building trust," Chapman said. "There's an abundance of information online, some evidence-based, some not. Researchers who use blogs and other social media can build trust by pulling back the curtain on discovery and showing an interested audience how they investigated a problem, limitations and all."

    Chapman can write his own version. Me, I got full professor, I love my job, and I love writing.

    Powell, D.A., Jacob, C.J., and Chapman, B.J. 2011. Blogs, infosheets and new media as academic scholarship in food safety research, education, and extension. Innovative Higher Education, published on-line ahead of print, DOI: 10.1007/s10755-011-9207-

    Abstract: Compiling a referenced article for publication in a peer-reviewed journal is traditionally the most respected means of contributing to a body of knowledge. However, we argue that publication of evidence-based information via new media – especially blogging – can also be a valid form of academic scholarship. Blogs allow for rapid sharing of research methods, results and conclusions in an open, transparent manner. With proper references, blogs and other new media can position academic research in the public sphere, and provide rapid, reliable information in response to emerging issues. They can also support other traditional goals of higher education institutions, serving as tools for teaching, learning and outreach.

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  • Posted: December 9th, 2011 - 3:13pm by Ben Chapman

    Author: 
    Ben Chapman

    Outbreaks happen all the time - some companies survive, others don't. While employing a good food safety culture where folks in the organization know risks and value implementing safe risk-reduction practices doesn't guarantee recovery from a crisis, it's pretty hard to recover if the behavior isn't there.

    Snokist Growers, a 108-year old Washington State-based processing company filed for bankruptcy Wednesday after the fallout of a FDA investigation of illnesses linked to their apple sauce. In May, nine North Carolina kids reported vomiting and nausea after eating Snokist apple sauce. The FDA's report detailed "nine major food safety violations, including dozens of instances of mold in containers of applesauce and puree that was later reprocessed for consumption."

    The FDA also reported leaky fruit containers, pests (including bird feathers), and a lack of hand washing sites at the plant.

    According to the Tri-City Herald,

    The 108-year-old company cited orders lost in the wake of a critical federal Food and Drug Administration report and inflexibility on the parof its lender.

    Snokist employs more than 600 mostly seasonal workers in its food processing plant in Terrace Heights and several warehouses across the Yakima Valley. The cooperative is owned by more than 150 growers who bring in their apples, pears, cherries and plums to be canned or turned into fruit cups, purees and juices.

    Because apple and pear production is ending for the season, many employees were already in line to be laid off, said Tina Moss, the company's local public relations representative from Enigma Marketing.

    The company's financial woes include a debt of almost $73.4 million to more than 2,000 creditors; its total assets are $69.6 million, according to bankruptcy documents filed in U.S. Bankruptcy Court.

    The bankruptcy culminates a series of setbacks for the company, which was founded in 1903 and was once a powerhouse in the Yakima Valley.

    As recently as 2002, Snokist employed up to 1,000 people at the peak of harvest season and worked with several hundred growers. But during the past decade, the company has cut employees and benefits and struggled with a massive strike, falling revenue and, most recently, the contamination complaints from the FDA that scared off customers and reduced sales.

    Snokist said it determined that a malfunction of the applesauce cans could have caused spoilage and exterior damage. However, company officials at the time stressed that the FDA never established that the applesauce caused the illnesses.

     

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  • Posted: December 9th, 2011 - 1:54pm by Ben Chapman

    Author: 
    Ben Chapman

    Bullitt County (KY) heath dept folks are quick with their information release. Investigators had been investigating a bunch of illnesses associated with staff of Zappos, an online retailer earlier this week and according to WAVE3 have identified B. cereus as the causitive agent.

    Preliminary data indicated a food borne illness as the cause of the outbreak. After tests, bacillus cereus, was identified in clinical specimens. The Bullitt County Health Department was not able to identify the specific food ingested that caused the food-borne illness due to the lack of food samples available.

    Public Health's Division of Laboratory Services launched an investigation into the issue after 58 employees who worked the same shift became ill with a gastrointestinal illness early on Monday. At least 29 sought medical attention, none were hospitalized. In most affected employees, the illness has been self-limited and not serious.

    It was previously reported that the 10pm meal was linked to the illnesses, not sure if it was diarrheal or the vomit type of B. cereus but with the reported on-set time some sort of a temperature-abused starchy dish could be the culprit.
     

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  • Posted: December 9th, 2011 - 6:27am by Doug Powell

    A Chinese dairy farmer has been sentenced to death for lacing her rival's milk supply with industrial salt, causing the deaths of three young children, state media report.

    A local court in Pingliang city in far western China's Gansu province found Ma Xiuling guilty of deliberately adding nitrite to the milk of a dairy farming couple in revenge for some business disputes, the official Xinhua News Agency reported today.

    Earlier reports said a month-old baby and two children younger than 2 died. Xinhua said 36 people were hospitalised.

    The Gansu Daily newspaper said Ma's husband, Wu Guangquan, was sentenced to life in prison for purchasing the poison.

    Both Ma and her husband have lodged appeals, Xinhua said.

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  • Posted: December 9th, 2011 - 6:04am by Doug Powell

    Over time, actions are stronger than words.

    Maple Leaf honcho Michael McCain may have won platitudes for his risk communication performance during the 2008 listeria-in-deli-meat fiasco that killed 23 and sickened 56 in Canada (not from me), but actions are the true test of words.

    Walter Muller got sick from eating Maple Leaf salami in 2008. A year later he received a letter saying he would be compensated for his illness.

    He's still waiting.

    "I think they're waiting for people like me to die before they pay out," says Muller, who turns 69 next week. "There's no reason why it should take three years to get compensated."

    "We are dismayed and frustrated at how long this process has taken, given we paid $25 million to settle these claims almost three years ago," president and CEO Michael McCain said in a statement.

    The company said it did everything it could to get money to victims, including contacting premiers to urge their provincial health authorities to reach a settlement.

    Among the undisclosed number of claimants to the settlement money are the provincial health authorities, who want a share for their costs in treating people who contracted listeriosis.

    "It's only $750 to them but for me, it's a big deal. I was hoping it would come in the spring, then in the summer and fall and then maybe in time for Christmas, but that doesn't look like it will happen," says Muller, a Vancouver resident.

    The court-appointed administrator of the settlement fund announced in late November that it has reached an agreement-in-principle with the health authorities on their share of the money. The fund, now estimated around $27 million, has been sitting in a trust as claimants wait for their cheques. No money can be distributed until all claimants have come forward.

    For Muller, who got sick with diarrhea and stomach ailments after eating the infected meat, his $750 claim is one of the lowest-ranked. Estates of people who died from complications related to listeriosis are entitled to $120,000.

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  • Posted: December 9th, 2011 - 5:51am by Doug Powell

    The Minnesota Department of Health has identified more than 40 people who reported becoming ill after eating at the Greysolon Ballroom in Duluth, Minnesota, on Saturday and “we suspect there could be more,” said Doug Schultz of the department’s communications office.

    About 250 people attended one event and 100 attended the other at the Greysolon, Schultz said. One was a wedding and the other a private party. The outbreak was first reported to the health department on Tuesday, he said.

    The food was served by Greysolon Ballroom By Blackwoods and the business is cooperating with the investigation, he said.

    As part of the investigation, investigators will check whether there are enough handwashing sinks at the establishment, if the refrigeration temperatures are adequate and whether any employees have been ill.

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  • Posted: December 9th, 2011 - 5:08am by Doug Powell

    For those counting – which seems like a bizarrely gruesome fetish – the final tally for the listeria-in-cantaloupe outbreak of 2011 is 146 persons sick from 28 states, including 30 dead and one miscarriage.

    Far more important is – will the cantaloupe industry in Colorado and elsewhere become overtly proactive, seeking the best research on the causes, prevention, and how to translate guidelines into actual actions in the field – where contamination starts.

    The U.S. Centers for Disease Control today issued its final report on the Multistate Outbreak of Listeriosis Linked to Whole Cantaloupes from Jensen Farms, Colorado—United States, 2011.

    (Sidenote: In the E. coli O157:H7 outbreak linked to Romaine lettuce served at Schnucks, CDC spokeswoman Lola Russell told The Packer yesterday the agency leaves announcements regarding names of growers and distributors to the regulatory agencies – state health departments and the U.S. Food and Drug Administration. But it had no problem fingering Jensen Farms? Maybe because the Food and Drug Administration named Jensen Farms on Sept. 14 it was open season after that. Maybe CDC was trying to protect other cantaloupe growers. Maybe they’d like to protect other Romaine lettuce growers? Is there a written policy on when to finger a farm? Consistency in communications helps build trust.)

    From the CDC cantaloupe report:

    A total of 146 persons infected with any of the four outbreak-associated strains of Listeria monocytogenes were reported to CDC from 28 states.

    Among persons for whom information was available, reported illness onset ranged from July 31, 2011 through October 27, 2011. Ages ranged from <1 to 96 years, with a median age of 77 years. Most ill persons were over 60 years old. Fifty-eight percent of ill persons were female. Among the 144 ill persons with available information on whether they were hospitalized, 142 (99%) were hospitalized.

    Thirty deaths were reported: Colorado (8), Indiana (1), Kansas (3), Louisiana (2), Maryland (1), Missouri (3), Nebraska (1), New Mexico (5), New York (2), Oklahoma (1), Texas (2), and Wyoming (1). Among persons who died, ages ranged from 48 to 96 years, with a median age of 82.5 years. In addition, one woman pregnant at the time of illness had a miscarriage.

    Seven of the illnesses were related to a pregnancy; three were diagnosed in newborns and four were diagnosed in pregnant women. One miscarriage was reported.

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  • Posted: December 9th, 2011 - 4:38am by Doug Powell

    Public Heath found seven “critical” food-safety deficiencies at the Ottawa General Hospital this year, three of them in the last week.

    On both Monday and Wednesday this week, inspectors found the hospital failed to “separate raw foods from ready-to-eat foods during storage and handling.”

    The hospital also earned a critical deficiency for not having paper towels in a dispenser at a hand basin in the food-preparation area on Monday this week and on Aug. 19 of this year. On April 15, the citation was for having no soap in the dispenser at the washing station.

    Frances Furmankiewicz, director of nutrition for the hospital, said the latest problems were due to “employee error.” Though all the employees are trained and certified to handle food, they were given more training as a result of the inspections.

    A number of people at the hospital Thursday said they were concerned when they learned about the poor inspection results and said they would no longer eat there, including Cindy Gilman, who was at the hospital to pick up her daughter.

    “I thought the hospital would have been great at following regulations — it’s a hospital,” she said.

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  • Posted: December 9th, 2011 - 4:12am by Doug Powell

     To all broken hearts: don't eat prepackaged cookie dough before it's baked.

    That’s the message health-types conclude from a June 2009 outbreak of shiga-toxin producing E. coli (primarily O157:H7) in Nestle Toll House cookie dough that sickened at least 77 people in 30 states. Thirty-five people were hospitalized – from cookie dough.

    The 2009 investigation, which involved extensive traceback, laboratory, and environmental analysis, led to a recall of 3.6 million packages of the cookie dough. However, no single source, vehicle, or production process associated with the dough could be identified for certain to have contributed to the contamination.

    The researchers could not conclusively implicate flour as the E. coli source, but it remains the prime suspect. They pointed out that a single purchase of contaminated flour might have been used to manufacture multiple lots and varieties of dough over a period of time as suggested by the use-by dates on the contaminated product.

    Flour does not ordinarily undergo a kill step to kill pathogens that may be present, unlike the other ingredients in the cookie dough like the pasteurized eggs, molasses, sugar, baking soda, and margarine. Chocolate was also not implicated in this outbreak since eating chocolate chip cookie dough was less strongly associated with these illnesses when compared with consuming other flavors of cookie dough.

    The study authors conclude that "foods containing raw flour should be considered as possible vehicles of infection of future outbreaks of STEC."

    During the investigation, three strains of STEC were discovered in one brand of cookie dough — although it wasn't the same strain involved in the outbreak.

    Manufacturers should consider using heat-treated or pasteurized flour, in ready-to-cook or ready-to-bake foods that may be consumed without cooking or baking, despite label statements about the danger of such risky eating practices, the authors conclude. In addition, manufacturers should consider formulating ready-to-bake prepackaged cookie dough to be as safe as a ready-to-eat food item.

    Eating uncooked cookie dough appears to be a popular practice, especially among adolescent girls, the study authors note, with several patients reporting that they bought the product with no intention of actually baking cookies. Since educating consumers about the health risks may not completely halt the habit of snacking on cookie dough, making the snacks safer may be the best outcome possible.

    A Novel Vehicle for Transmission of Escherichia coli O157:H7 to Humans: Multistate Outbreak of E. coli O157:H7 Infections Associated With Consumption of Ready-to-Bake Commercial Prepackaged Cookie Dough—United States, 2009
    http://www.oxfordjournals.org//our_journals/cid/prpaper.pdf

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  • Posted: December 8th, 2011 - 11:15pm by Ben Chapman

    Author: 
    Ben Chapman

    Translated by Albert Amgar

    Les U.S. Centers for Disease Control and Prevention (CDC) disent qu’une souche de E. coli O157, qui a rendu malades 37 personnes dans l’agglomération de St. Louis, et au moins 23 cas supplémentaires, a été liée à la consommation de laitue romaine. Les personnes ont commencé à avoir des symptômes le 9 octobre ; l’éclosion semble maintenant désormais terminée.
    De nombreuses personnes malades ont signalé avoir acheté de la laitue romaine dans des bars à salade chez Schnucks, une chaîne de supermarchés haut de gamme à Saint-Louis. L’enquête du CDC a déterminé qu’un seul lot de laitue romaine cultivée dans une ferme a été fourni aux magasins Schnucks ainsi qu’au campus universitaire du Minnesota durant la même période.
    Schnucks a confirmé son lien avec l’éclosion et n’a pas cité le nom du fournisseur de laitues. Les maladies ont été associées avec neuf magasins de Schnucks. Dans chaque cas, plus d’une personne malade a signalé avoir acheté de la salade dans un bar à salade dans la semaine avant de devenir malade.
    60 cas de maladies dans 10 Etats
    37 personnes malades dans le Missouri, des cas de maladies ont eu lieu aussi dans MN, IL, IN, KY, GA, AR, KS, NE et AZ
    Les laitues, les épinards et les verts feuillus sont liés à 50 éclosions causées par des pathogènes d’origine alimentaire depuis 1995
    Les produits frais ne sont pas cuits, donc toute souillure qui entre en contact de la fourche à la fourchette peut atteindre le consommateur.
    Les éclosions peuvent entraîner des fermetures de restaurants, des pertes de salaire et des poursuites judiciaires. Connaissez vos fournisseurs et poser des questions au sujet des pratiques liées à la sécurité des aliments.
     

    Click here to download.

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  • Posted: December 8th, 2011 - 10:20pm by Doug Powell

    Traducido por Gonzalo Erdozain

    Resumen del folleto informativo mas reciente:
    - 60 enfermos en 10 estados; 37 casos en Missouri
    - El brote ha sido relacionado a lechuga romana; varios individuos enfermos consumieron la lechuga en las tiendas Schnucks en la ciudad de St. Louis
    - Las verduras frescas no son cocinadas, por lo tanto, pueden acarrear caca que las pudieron haber contaminado durante el viaje de la granja a su mesa.

    Los folletos informativos son creados semanalmente y puestos en restaurantes, tiendas y granjas, y son usados para entrenar y educar a través del mundo. Si usted quiere proponer un tema o mandar fotos para los folletos, contacte a Ben Chapman a benjamin_chapman@ncsu.edu.
    Puede seguir las historias de los folletos informativos y barfblog en twitter
    @benjaminchapman y @barfblog.

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  • Posted: December 8th, 2011 - 8:58pm by Doug Powell

    It’s botulism week at Eurosurveillance as the on-line journal summarizes three different and recent Europe-based botulism outbreaks, which represents an alarming increase over previous years.

    In an overview editorial, Cowden notes the incidence of botulism in the European Union (EU) is described elsewhere, but that from 2006 and 2008, 477 confirmed cases were notified: an average of 119 cases per year, with a range of 104 to 132, and no discernable trend.

    The surveillance of cases of botulism in the EU includes the three main forms of the disease but does not distinguish between them.

    Food-borne botulism is caused by the ingestion of toxin produced by organisms in an anaerobic environment. It usually results from inadequately sterilised domestically canned or bottled foods.

    Intestinal botulism is caused by the production in the gut of toxin by organisms which have been ingested and have proliferated. This form predominantly affects infants under a year old, often associated with the consumption of honey.

    Wound botulism is caused by the production of toxin by organisms introduced into wounds. This is often associated with dirty wounds, including those following injecting drug use.

    Since 2009, Eurosurveillance has published only four reports of outbreaks of food-borne botulism in Europe and only three resulted from consumption of widely distributed, commercially produced foods.

    Despite only one of the four outbreaks being due to domestically prepared food, home-preserved food is generally acknowledged to be the major cause of botulism in those EU countries that have had most cases in recent years and outbreaks resulting from mass produced foods are rare.

    Against this background, from September to November 2011, there were three outbreaks in three different countries in Europe. In the outbreaks which feature in this issue of Eurosurveillance, the vehicles of intoxication were demonstrated, on the basis of strong toxicological and descriptive epidemiological evidence, to have been widely distributed, commercially produced foods.

    These three outbreaks present intriguing differences and similarities.

    In two outbreaks, the Finnish and the Scottish, cases were confined to single households. In France cases occurred in two household clusters.

    In the French and Finnish outbreaks the vehicles included olives: olive tapenades in the French outbreak, and almond-stuffed olives in the Finnish. In the Scottish outbreak, the vehicle was korma sauce.

    In all three outbreaks the vehicle of intoxication was marketed in glass jars with screw-top lids.

    In the French and the Scottish outbreaks the food was produced and distributed within the country of origin. In the Finnish outbreak, the food was distributed internationally from another country, Italy.

    In the Finnish and the Scottish outbreaks the food was produced in industrialized units. In the French outbreak the producer was described as an “artisanal producer” although the tapenade was commercially produced and widely distributed.

    In the French and the Scottish outbreaks the toxin was type A. In the Finnish outbreak it was type B.

    In two outbreaks, the Finnish and the French, defects potentially explaining the contamination were identified. In the Finnish outbreak, seals in other jars from the same batch were found to have defects, although none was found to be contaminated. In the French outbreak an improper sterilization process was identified. In the Scottish outbreak the food originated from a state-of-the-art food-production facility where intensive investigation has yet to find any shortcomings, and no post-production event has been identified which could explain the contamination.

    The number of cases in all three outbreaks was surprisingly low if a production fault is assumed to have affected the production of at least a whole batch of jars.

    This is particularly true of the Scottish outbreak where only one household was affected, and which could be explained by the contamination of a single jar from a batch of 1,836 jars. Likewise, the Finnish outbreak affected a single household, and could be explained by only one contaminated jar of stuffed olives, despite the batch being part of a lot of 900 imported into Finland, and the product having been exported to many countries in Europe and beyond.

    Only in the French outbreak does the contamination of more than one jar need to be hypothesized to explain the cases – and even here, contamination of only two jars could explain the cases. The size of the batch in the French outbreak was approximately 60 pots.

    The other 3 outbreak write-ups are available at the urls below, and full-text, as always, on bites-l.

    http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=20035

    http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=20034

    http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=20036

     

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  • Posted: December 8th, 2011 - 4:50pm by Doug Powell

    The U.S. Centers for Disease Control reports that on June 29, 2011, the Wyoming Department of Health was notified of two laboratory-confirmed cases of Campylobacter jejuni enteritis among persons working at a local sheep ranch.

    During June, two men had reported onset of symptoms compatible with campylobacteriosis. Both patients had diarrhea, and one also had abdominal cramps, fever, nausea, and vomiting. One patient was hospitalized for 1 day. Both patients recovered without sequelae. During June, both patients had participated in a multiday event to castrate and dock tails of 1,600 lambs. Both men reported having used their teeth to castrate some of the lambs. Among the 12 persons who participated in the event, the patients are the only two known to have used their teeth to castrate lambs. During the multiday event, a few lambs reportedly had a mild diarrheal illness. Neither patient with laboratory-confirmed illness reported consumption of poultry or unpasteurized dairy products, which are common sources of exposure to C. jejuni. The patients resided in separate houses and did not share food or water; none of their contacts became ill.

    Both patients provided stool specimens for laboratory testing; C. jejuni was isolated from each. The pulsed-field gel electrophoresis (PFGE) patterns of the isolates were indistinguishable when restricted separately by two enzymes, SmaI and KpnI. This PFGE pattern had never been reported among 667 specimens from which C. jejuni was isolated in Wyoming and is rare in CDC's PulseNet*database, with a frequency of 0.09% (8 of 8,817). The low frequency of this PFGE pattern suggests that both patients were infected from a common source.

    Animals at the ranch included sheep, cattle, horses, cats, and dogs; none were ill during the site visit on October 19 when investigators obtained fecal samples from five lambs. C. jejuni was isolated from two lambs; one isolate had a PFGE pattern indistinguishable from the two human isolates. C. jejuni is transmitted via the fecal-oral route; this is the first reported association of C. jejuni infection with exposure during castration of lambs. The PFGE pattern identified in these cases had not been associated with animal exposure. Ranch owners and employees were advised to use standardized, age-specific techniques for lamb castration (e.g., Burdizzo, rubber rings, or surgery) and to wash their hands thoroughly after contact with animals.

     

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    Wacky and Weird  |  Comments
  • Posted: December 8th, 2011 - 4:11pm by Ben Chapman

    Author: 
    Ben Chapman

    The newest food safety infosheet, a graphical one-page food safety-related story directed at food businesses, is now available

    Food Safety Infosheet Highlights:
    - 60 illnesses in 10 states linked to the outbreak; 37 ill in Missouri
    - Outbreak has been linked to romaine lettuce; many ill individuals consumed the lettuce at Schnucks grocery store outlets in the St. Louis area
    - Fresh produce is not cooked, so any poop that comes in contact with it from farm-to-fork can be passed to diners.
    Food safety infosheets are created weekly and are posted in restaurants, retail stores, on farms and used in training throughout the world. If you have any infosheet topic requests, or photos, please contact Ben Chapman at benjamin_chapman@ncsu.edu.
    You can follow food safety infosheets stories and barfblog on twitter @benjaminchapman and @barfblog.

    Click here to download.

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