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  • Posted: February 11th, 2012 - 7:25am by Amy Hubbell

    Author: 
    Amy Hubbell

    Magic glove syndrome, the phenomenon where food service workers think they are immune to cross-contamination because they're wearing protective gloves, is rampant on reality TV. Even our own butcher here in Brisbane touches everything from raw meat to money with his gloves on. It's just one of those things I never would have thought about before I met Doug, but now I find it disgusting.

    Tonight I'm catching up on missed episodes of Top Chef Just Desserts and have noticed some glove action going on. First, during a one-handed challenge, an opponent helped Chef Orlando put a sanitary glove on the one hand he was allowed to use. Then I did a happy double-take when I saw Chef Sally Camacho offer her elbow to Judge Hubert Keller at an event the cheftestants catered in L.A. She respected her gloved hands and diners by avoiding bringing potential clients' germs into her dishes. 

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  • Posted: February 11th, 2012 - 4:57am by Doug Powell

    I’ve got some work in Dubai and inexplicably scored access to the Emirates fancy pants lounge at the Brisbane airport. So I wore shorts. Fabulous beef, fruit, and I’m drinking Veuve Cliquot champagne (which I usually pronounce Verve Cluque) like Dan Aykroyd in the Blues Brothers.

    But proving once again that even the fanciest places may not know much about food safety, this delightfully refreshing and crisp prawn salad was tainted with sprouts Raw pea sprouts. Yuck. Besides direct ingestion there is cross-contamination.

    A table of sprout-related outbreaks is available at http://bites.ksu.edu/sprouts-associated-outbreaks.

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  • Posted: February 11th, 2012 - 1:00am by Doug Powell

    Last week, some 300 staff and students in San Francisco were sickened with norovirus believed to have been transmitted by someone barfing on a door handle.

    It now appears a similar mode of transmission sickened 229 cheerleaders and cheeries at a Washington state competition.

    JoNel Aleccia of msnbc cites Suzanne Pate, spokeswoman for the Snohomish Health District, as confirming Friday that norovirus was the cause, and the outbreak was likely precipitated by people who were ill in public.

    "Somebody arrived at the event sick," said Pate, noting that janitorial crews were called to clean up vomit in a restroom and on an adjacent walkway. Those areas were likely exposure sites for the cheer and dance teams, she said.

    Some 229 people were sickened and least 33 people sought medical attention for their illnesses, state health officials said late Friday. That number is expected to grow as the investigation continues.

    A Comcast Arena spokeswoman said officials had sanitized the premises in accordance with federal health guidelines before a new event scheduled for Friday night. Tests of the arena's water supply showed no problems, Pate said.

    "It's probably the best-scrubbed place in the county," she added.

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  • Posted: February 11th, 2012 - 12:27am by Doug Powell

    I don’t watch American Idol; I saw enough of Steven Tyler performing half-time at the Super Bowl. But I pay attention when my health-type friends tell me, the contestants on American Idol this week suffered from Idol Flu, with many gratuitous vomit shots, lots of hugging and no handwashing in sight.

    Amy (Tent Girl) Brumfield earned a new nickname -- Patient Zero. She brought a stomach bug to Hollywood with her, and, soon, practically every group has to carry their own plastic bag with them, just in case somebody loses their dinner.

    A few of the more promising singers -- Johnny Keyser, David Leathers Jr. and Deandre Brackensick -- looked like they've got their acts together. But this Group Night show featured as much drama, and as much retching, as it did actual singing.

    Maybe it was norovirus; maybe the barfing contestants were forced to watch their own show.

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  • Posted: February 10th, 2012 - 1:42pm by Doug Powell

    Most of the 100-plus people infected with norovirus last month had eaten at a local Subway franchise.

    The Star Press reports an investigation by the Blackford County Health Department (that’s in Indiana) was unable to determine whether a customer or an employee spread the virus, also known as a stomach bug and food poisoning.

    "We don't know how it bounced in there," said Linda Briles, an environmental health specialist at the department. "We may never know. I use the term 'bounced in there,' either www.barfblog.com/blog/152553/12/01/14/eat-fresh-90-sick-norovirus-linked-indiana-subwaywith an employee or a customer, I don't know. But it bounced in and went from there."

    She said the virus could have been spread by a customer who failed to properly wash his or her hands after using the restroom. "A customer could have left it on a door knob," Briles said. "It (transmission) is fecal-oral. Or an employee could have caused it by poor hand washing."

    An outbreak investigation report from the state department of health won't be completed for several months, spokeswoman Amanda Turney said. A state epidemiologist will conduct a "hot wash" meeting today with the county health department staff to identify lessons learned from the outbreak.

    "I want to do a final hot wash before I release my report (of the investigation to the public)," Briles said. "It should be available after I get down to the state health department and have it checked by the media (relations office)."

    Briles said tests showed that more than one Subway employee was infected with the norovirus. "They were sick the same time everyone else was," Briles said. To her knowledge, the infected employees were not sick before the outbreak.

    There has been an Indiana administrative code regulating food workers with diagnosed illnesses since 2000, but it wasn't being enforced in Indiana until 2008.

    Under the code, any food employee who is diagnosed with one of the following illnesses must be excluded from the food establishment: salmonella, shiga toxin-producing E. coli, shigella, hepatitis A or norovirus.

    From company headquarters in Milford, Conn., Subway public relations manager Kevin Kane said, "Upon learning of the norovirus investigation by the Blackford County Health Department, the franchisee in Hartford City voluntarily closed the restaurant and had an independent company come in to thoroughly clean and sanitize the restaurant. This was in addition to the stringent cleaning and sanitizing procedures practiced here on a daily basis.

    Despite hiring an independent contractor to sanitize the restaurant, Subway was cited by Briles for mold, dirty floors and other violations after re-opening.

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  • Posted: February 10th, 2012 - 1:24pm by Doug Powell

    While assuring the public that there is no evidence of an outbreak, the Central District Health Department is alerting the public that an employee of the Cheesecake Factory on North Milwuakee Road in Boise, Idaho, was infected with the hepatitis A virus, but is no longer infectious.

    CDHD is alerting patrons who may have dined at the restaurant between Dec. 13, 2011, and Jan. 22, 2012, that they may have been exposed to hepatitis A. If a person has had a hepatitits A vaccine or have had the illness in the past, the CDHD said they are protected from the infection.

    "The risk to the public health is extremely low because the employee was not involved in food preparation," said a statement from CDHD. "Still, there is the possibility that patrons could have been exposed to hepatitis A."

    The Cheesecake Factory has fully cooperated with the investigation into the situation. The employee is believed to have practiced good hand hygiene. The risk of exposure is considered very small, but not zero.

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  • Posted: February 10th, 2012 - 1:04pm by Doug Powell

    Nearly 200 people across the state have reported illnesses after attending a high school cheer and dance event in Everett earlier this month.

    Preliminary survey results show at least 192 reports of illness from participants and adults who attended the event Feb. 4. Students and adults from Columbia River and Skyview high schools in Vancouver attended the event.

    The Washington State Department of Health is investigating the cause of the outbreak.

    As part of the investigation, questionnaires were sent to participants and their families and stool samples are being collected for testing at the state Public Health Laboratories.

    More than 3,000 people attended the event and more than 1,000 competed in the State Cheerleading and Salute to Spirit in cheer and dance/drill.

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  • Posted: February 10th, 2012 - 12:52pm by Doug Powell

    In a triumph of food porn over food safety, an investigation into an outbreak of salmonellosis in the summer of 2010 after a wedding party in Bavaria, Germany that sickened at least 52 people failed to pinpoint a specific food source but did uncover a number of disturbing food safety practices – such as adding rose petals to food and no temperature checks -- again linked to an unlicensed caterer.

    German researchers report in Eurosurveillance this week that in the summer of 2010, a local health office in northern Bavaria, Germany, was informed that approximately half of the 110 guests of a wedding that had taken place the preceding weekend had contracted gastroenteritis. At the wedding party, soup and a late-lunch buffet (served from 3 p.m.) and a cold dinner buffet (served from 10 p.m.) had been provided by an out-of-town caterer. In addition, a wedding cake made by a local bakery and a number of cakes and desserts contributed by different wedding guests were served by the catering staff at 20.00. The food served at the wedding was suspected to be the source of the outbreak. Initial laboratory results of stool samples of some guests who became ill indicated Salmonella enterica subsp. enterica serovar Enteritidis (S. Enteritidis) as the causative pathogen.

    According to the caterer, only the meat dishes were prepared at the caterer’s facilities in advance. All sauces, antipasti and salads were made from commercially produced ingredients and were prepared at the wedding party venue. Food items that required cooling were transported in cooling boxes and stored in cooling units at the venue. At the venue, the lunch buffet was set up for six hours, between 2 p.m. (the buffet was set up one hour before it was available to guests) and 8 p.m. No checks were carried out of holding temperatures of the warm or cold dishes. Salads and other cold dishes were not cooled during this period. Photographs of the buffet showed that a number of the cold dishes were decorated with non-edible flowers (such as roses), which were inserted into the food. The flowers had been purchased at a wholesale retailer. Cakes supplied by a number of wedding guests were stored without cooling until they were served at 20:00. The dishes of the dinner buffet were not cooled. They were first served at 10 p.m. It is unclear for how long the dishes of the dinner buffet were served; however, it is known that the catering personnel departed at 00.30.

    Inspection of the catering facilities and interview of the catering staff revealed a number of shortcomings contravening European food hygiene regulations. The facilities used by the caterer were not registered with the local authorities. There were no records of the required staff training on food hygiene. No temperature controls of cooling devices or transport boxes were carried out, nor were temperatures monitored during preparation or serving of warm dishes. There were no records of HACCP concept planning or implementation. The company was banned from catering until proof of changes in their practices had been provided to the local authorities.

    The cohort study showed that a variety of dishes were associated with a significantly increased risk of infection: in particular consumption of a group of lunch dishes containing mayonnaise was associated with a high relative risk. Despite the constraint of a two-week delay between the wedding party and the questionnaires being sent out, participants appeared to recollect well which dishes they had consumed.

    The isolation of S. Enteritidis from two of the food samples at the wedding party was judged to show that the food served posed a health risk, as all the food items were ready for consumption without requiring further preparation or heating. The isolation of indistinguishable Salmonella strains from the food samples as well as from stool samples of respondents and catering personnel supported the hypothesis that the outbreak was foodborne.

    There are several possibilities for the source of the Salmonella contamination in this outbreak. Mayonnaise is a well-recognized vehicle of contamination when raw egg is used as an ingredient. However, in this outbreak all cold dishes and salads were made from commercially prepared ingredients. As commercially produced mayonnaise and sauces are conventionally based on pasteurized ingredients, it is unlikely that they would be the primary source of contamination. Commercial mayonnaise by itself is also not suitable for Salmonella propagation, due to its low pH adjusted by acetic acid. However, addition of mayonnaise to other salad ingredients may alter the overall acetic acid concentration of the mixture, thus providing a suitable base for proliferation once the pathogen has been introduced by secondary contamination.

    The environmental investigation revealed a number of infringements of food safety regulations, including a lack of staff training and the absence of records of a food safety concept according to the HACCP principles. Lack of temperature controls for food storage and transport as well as prolonged presentation of buffet dishes at room temperature provided ideal conditions for pathogen proliferation, regardless of the primary source of contamination.

    While they do not replace official controls, the HACCP principles are central to the European concept of food safety by helping food business operators to attain a high standard of food safety. Successful implementation of procedures based on the HACCP principles requires the full cooperation and commitment of food business employees. Adequate training of personnel is central to achieving this goal.

    The outbreak investigated in this study demonstrates the consequences of lack of staff training and the failure to identify hazards to food safety, as well as failure to implement control measures to mitigate such hazards. The use of flowers as food decoration demonstrated insufficient understanding of the potential for contamination through products that are not intended for food production and therefore not subject to food hygiene regulations.

    Intelligently implemented food hygiene concepts not only benefit the consumer but are also very much in the interest of the food business operator, whose business can be threatened by food-borne outbreaks. Initial hygiene and food safety training for food business operators should therefore also explain microbiological principles underlying food safety practices in order to equip the businesses with the required background knowledge and motivation to design and implement an intelligent food safety/HACCP concept, including the consideration and identification of potential sources of contamination. Explicit mention of the dangers of the use of non-edible flowers for decoration should be considered in guides to good practice, which are a valuable instrument to aid food business operators with compliance with food hygiene rules and with the application of the HACCP principles.

    The complete paper is available at http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=20076.

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  • Posted: February 9th, 2012 - 3:13pm by Ben Chapman

    Author: 
    Ben Chapman

    Universities have a tough time with norovirus. Close quarters, not-the-best-personal-hygiene and cafeterias are all factors in spreading the pathogen around. Brae Surgeoner, Doug and I had a paper published in the September 2009 Journal of Environmental Health about some research we conducted in the Winter of 2006. The study came about because a whole bunch of kids in the University of Guelph's residence system started puking from an apparent norovirus outbreak. There were lots of handwashing signs up and we wanted to know whether they changed hygiene behavior (especially if kids were using the tools available when entering the cafeteria). Turns out that the kids weren't doing as good of a job at hand hygiene as they reported to us. According to our study, Observed compliance with prescribed hand hygiene recommendations occurred 17.4% of the time. Despite knowledge of hand hygiene protocols and low compliance, 83.0% of students indicated that they practiced correct hand hygiene during the outbreak.

    According to CNN Rider University in New Jersey is dealing with a noro outbreak that has sent students to hospital, which might be connected to repeat offenders Princeton.

    About 40 students at a university in New Jersey have been taken to hospitals for treatment after an outbreak of what authorities believe is the norovirus. The Rider University students, at the school's campus in Lawrenceville, were brought to hospitals late Wednesday night, the school said Thursday. The suspected outbreak comes a week after an outbreak began at nearby Princeton University, which is still under way, officials said.

    "We are coordinating treatment information with that university. We have also informed neighboring institutions," Rider said on its website.
    Some of those taken to hospitals have been discharged and returned to campus.

    Below in a food safety infosheet detailing another Princeton-related outbreak from 2008.

     

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    Food Safety Culture  |  0 Comments
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  • Posted: February 9th, 2012 - 12:13pm by Ben Chapman

    Author: 
    Ben Chapman

    When I was in high school, nerding it up with some other high school kids at the obviously-exciting annual Ontario Model Parliament simulation, I met Hilary Weston. She was the Lieutenant-Governor of Ontario (that's in Canada) and she and Galen, her husband, owned a bunch of huge food businesses including Weston Foods (Canada's largest bakery) and most of food retailer Loblaws.

    When I met her I told her I liked her bread.

    Hilary and Galen's son Galen Jr, who runs Loblaws now, has pissed some people off in the past couple of days with his (now retracted) comments that farmers' markets are going to kill people.

    I want to buy food from someone who is worried about killing people - not someone who says we we've never had a problem. I figure that if they worry about the consequences, they might actually do something about it.

    Over the past couple of years one of my graduate students, Allison Smathers, has been working with farmers' markets in North Carolina to develop and evaluate food safety workshops for market vendors and managers. Market managers, vendors and organizers have been part of the process from the start. But creating and delivering this training doesn't mean that practices are impacted. Recognizing the need to measure behavior change (and the limitations of relying on self-reported tests), Allison has enlisted the help of a group of secret shoppers who have collected data on current practices and facilities and provided insight into specific areas to focus on. Stuff the shoppers saw, like improper handwashing, cross-contaminating samples and not monitoring temperatures have been the big focus.

    Right now Allison and I are in Lincolnton, NC delivering the material to a bunch of extension agents who will be training market folks soon.  The secret shoppers will be back out this summer looking again for food safety practices at markets where vendors and managers have been trained - something Allison can compare to what was seen in previous summers. 2010 data was presented at the 2011 IFT annual meeting (abstract below, poster here).

    At the end of the project we'll be able to either show some changes - or not - regardless we'll know how well the training worked and what to work on in the next iteration. 

    Seems like a much better approach than "trust us."

    Smathers, A., Chapman, B and Phister, T.

    Evaluation of facilities and food safety practices in the North Carolina farmers market sector.

    IFT Annual Meeting (June 12, 2011)

    The association between produce and ready-to-eat foods with foodborne illness prompts concern in the North Carolina farmers’ market sector. Since large amounts of produce are sold at farmers’ markets, there is an increased need to protect the farmers’ market sector from foodborne illness.  Considering this potential, we designed a method of assessment to measure the food safety culture and awareness of farmers’ market vendors.  The objective of this study was to observe the practices carried out at a farmers’ market in order to assess the need for food safety training and information directed specifically toward the promotion of good food safety practices at farmers’ markets. The study used 20 secret shoppers, trained to observe and collect quantitative and qualitative data through observational surveys.  During the 2010 market season, secret shoppers provided information that was neither incriminating nor praiseworthy from 37 farmers’ markets and 168 farmers’ market vendors, representing a large sample of North Carolina markets.  The information was provided through observational surveys and results were estimated through analysis of survey data.  The survey data was used to create trends and relationships to assess the food safety knowledge and practices carried out at a farmers’ market.  Our findings highlight the need for food safety improvement in areas such as cross-contamination, hygiene, sanitation, sampling, claims, and storage.  Results provide a need for enhancement of food safety at the farmers’ markets in order to protect the farmers’ market sector from being linked to foodborne illness outbreaks. The overall goal of supporting the growth and health of the North Carolina farmers’ markets will continue to be supported through further assessment and education development.

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