Minnesota Department of Health (MDH) Food Safety Partnership (FSP) and Partnership and Workforce Development Unit (PWDU) QUARTERLY UPDATE Volume 5, Issue 2, April 2011 SECTION HEADINGS Address from the Commissioner of Health…... 1 “Bug of the Quarter” …..…………………......… 3 Training Resources ………….……….……….. 5 Web and Written Resources ………………….. 6 Rules and Legislation ……………………….… 7 Food and Food Safety Matters …..….……..… 8 Climate Change Corner………………………… 10 Emergency Handbook for Food Managers..... 10 PWDU Staff Contact Information .................. 10 COMMISSIONER of HEALTH: On Finding (and Using) the Gold of Public Health The following is an address made by Dr. Edward Ehlinger, newly appointed Commissioner of Public Health, at the Minnesota Cancer Alliance 2011 Cancer Summit last month. Dr. Ehlinger’s comments refer not only to the practice of public health but to the difficult times in which we currently live and work. “Public health interventions must be built on Partnerships – interdisciplinary, multidisciplinary, Multiperspective.” NOTE from PWDU: Remember when April 1 meant silly jokes and the sight of the first spring bulbs sending shoots through the last of the snow? More and more, melting snow and the coming of spring remind us of sand bags, the loss of homes and property, and yet another ‘100 year’ flood. Two years ago, nine Minnesota counties were affected by floods; last year it was 20 counties. State officials say that 40 to 50 counties throughout the state are likely to have flooding this spring of 2011. Best wishes to all of you who are fighting the floods this spring. See MDH flood factsheets at: http://www.health.state.mn.us/divs/eh/emergency/natural /floods/index.htmlXx Welcome: It’s nice to be among folks who are coming together to find a way to collaboratively work together to address a major issue. That’s not what’s happening in all parts of my life. As the Commissioner of Health looking at what’s going on in our societal discussions about how to deal with budget deficits, housing foreclosures, and the rising needs among vulnerable people, I almost feel like we are experiencing the reincarnation of Andrew Mellon, the financier turned philanthropist, who was Secretary of the Treasury, and whose birthday it is today, when he said: "Liquidate labor, liquidate stocks, liquidate farmers." Today he’d probably add, liquidate community engagement, liquidate public employees, liquidate public health. But Melon wasn’t a very good prognosticator since he also said in 1930: “I see nothing in the present situation that is either menacing or warrants pessimism . . . . Deborah PWDU Quarterly Newsletter Page 1 of 10 and societal responsibilities. Individuals live within the context of their physical and social environment and that environment is a societal responsibility. The Statewide Health Improvement Program (SHIP) is a good model of this. Commissioner’s Address, continued I have every confidence that there will be a revival of activity in the spring and that during this coming year the country will make steady progress." Since he was wrong about some pretty important things, I remain optimistic that the horrible rhetoric that we are hearing will not turn out to be true. On a more positive note, I would like to acknowledge that today is World TB day, recognizing the day in 1882 in which Prussian Physician Heinrich Hermann Robert Koch discovered the bacillus that causes TB. He won the Nobel Prize for this discovery in 1905. Probably as important as his work on tuberculosis are Koch's Postulates, which say that to establish that an organism is the cause of a disease, it must be: found in all cases of the disease examined prepared and maintained in a pure culture capable of producing the original infection, even after several generations in culture retrievable from an inoculated animal and cultured again. Koch’s Postulates have had a huge impact on society. By using his postulates, Koch's pupils found the organisms responsible for diphtheria, typhoid, pneumonia, gonorrhoea, meningitis, leprosy, bubonic plague, tetanus, and syphilis, among others. So as I thought about this meeting today, I wondered, what are our postulates for an effective approach to public health issues? “Public health interventions must incorporate the physical, emotional, spiritual, environmental, and social determinants of health.” Here are some postulates for consideration for evaluating public health interventions Must be based on sound science not on ideology. Ultimate measure of success is the improvement of the health of a population – individual health is certainly important but the health of the entire population is the ultimate public health measure. Must have community engagement and ownership. Must be built on partnerships – interdisciplinary, multidisciplinary, multiperspective. Must recognize individual rights and responsibilities PWDU Quarterly Newsletter Must incorporate the physical, emotional, spiritual, environmental, and social determinants of health. Must include the entire range of interventions: disease prevention, health protection, health promotion, early identification, effective treatment, and rehabilitation services. We can’t have silos of interventions. They need to be integrated. We need the incorporation of medicine and public health. Must have both a short-term and long-term perspective. Must be socially responsible. We must be good stewards of resources and try to get the maximum benefit from those resources. Must be socially just – everyone should get their basic needs met and no one should benefit at the expense of someone else. I’m thinking about those postulates as I lead MDH and as I work on health reform. I especially think of those in health reform because that is a public health opportunity that doesn’t come around very often. I now challenge you to think about those postulates in your work on cancer. You may think that improving the health of the public will require lots of new ideas and new knowledge. The cancer plan released today recognizes that the answers to most of our questions about how to improve the health of the public are already known. We just have to recognize them and implement them. It just takes some insight and imagination. Robert Koch recognized this when he said: “If my efforts have led to greater success than usual, this is due, I believe, to the fact that during my wanderings in the field of medicine, I have strayed onto paths where the gold was still lying by the wayside. It takes a little luck to be able to distinguish gold from dross, but that is all.” The gold of public health is all around you. You’ve just have to recognize the gold and then go and use it. Page 2 of 10 What are the symptoms of listeriosis? BUG of THE QUARTER Listeria monocytogenes and Listeriosis The bacterium, Listeria monocytogenes, causes the illness listeriosis. Though there are many fewer cases of listeriosis than of other foodborne illnesses, Listeria is the most virulent of the foodborne pathogens, with an overall mortality rate of about 20 percent, compared to less than one percent for Salmonella. Selected Pathogens Illnesses (est.) Deaths (est.) Norovirus 5,461,731 149 Salmonella 1,027,561 378 C. perfringens 965,958 26 Campylobacter 845,024 76 T. gondii 86,686 327 E. Coli O157 63,176 20 1,591 255 Listeria Who can get listeriosis? Listeriosis primarily affects people with a suppressed immune response. CDC tells us that those at increased risk of serious illness include the following high-risk categories: The fetuses and newborns of pregnant women (both perinatal and neonatal infections occur); People with immune systems weakened by corticosteroids, anticancer drugs, graft suppression therapy, or AIDS (people with AIDS are 300 times more likely to become ill with listeriosis than people with normal immune systems); People with diabetes, cirrhosis, asthma, ulcerative colitis, or kidney disease; and Elderly people. Infected pregnant women may experience a mild, influenza-like illness. However infections in pregnancy can lean to miscarriage, stillbirth, premature delivery or infection of the newborn. Other healthy adults and children are occasionally infected with Listeria but usually have no symptoms. One listerosis outbreak in Switzerland, attributed to soft cheese, had a number of healthy, young victims, suggesting that healthy people can develop the disease, if the dose is very high. PWDU Quarterly Newsletter Common symptoms of listeriosis include fever, muscle aches, nausea, and diarrhea. If the infection spreads to the nervous system, other symptoms may develop, including headache, stiff neck, confusion or changes in alertness, loss of balance, and convulsions. Bacterial meningitis is one complication of a Listeria infection. The incubation period for Listeria ranges from three to 70 days and averages 21 days. Newborns may present clinically with early-onset (less than seven days after birth) or late-onset forms of infection (7 or more days after birth). How is Listeria spread? Listeria is found in soil and water. Humans can be exposed by eating raw vegetables that have been contaminated in the soil or by contaminated manure that has been used as fertilizer. Some wild and domesticated animals can carry the bacterium without appearing ill. This can lead to contamination of meats and dairy products. Listeria has also been found in processed foods that are contaminated after processing, such as soft cheeses, hot dogs and deli meats. Raw milk or foods made from unpasteurized milk may also contain Listeria. Unborn babies can contract a Listeria infection from the mother via the placenta; however, breast-feeding is not considered a potential cause of infection. Persistence of the Bacteria In the Cornell Daily Sun on February 2, 2011, Cornell Professor Martin Wiedmann said about Listeria, “It has an uncanny ability to survive very, very well. In one case, we found a strain that had survived in a processing plant for 12 years. … Listeria thrive because there is almost no competition for food. They can invade human cells and even relocate from one cell to the next; avoiding the antibodies the human body produces.” How can people reduce the risk of infection? CDC provides the following recommendations for all people to avoid infection with Listeria and other pathogens: Thoroughly cook raw food from animal sources, such as beef, pork, or poultry. Wash raw vegetables thoroughly before eating. Keep uncooked meats separate from vegetables and from cooked foods and ready-to-eat foods. Avoid unpasteurized (raw) milk or foods made from unpasteurized milk. Page 3 of 10 BUG of THE QUARTER, continued Wash hands, knives, and cutting boards after handling uncooked foods. Consume perishable and ready-to-eat foods as soon as possible. Recommendations for persons at high risk, in addition to the recommendations listed above: Listeria Resources Minnesota Department of Health http://www.health.state.mn.us/divs/idepc/diseases/liste riosis/index.html Centers for Disease Control http://www.cdc.gov/pulsenet/pathogens_pages/listeria _monocytogenes.htm Federal Food and Drug Administration Do not eat hot dogs, luncheon meats, or deli meats, unless they are reheated until steaming hot. http://www.fda.gov/food/foodsafety/foodborneillness/f oodborneillnessfoodbornepathogensnaturaltoxins/badb ugbook/ucm070064.htm Avoid getting fluid from hot dog packages on other foods, utensils, and food preparation surfaces, and wash hands after handling hot dogs, luncheon meats, and deli meats. Marler Clark Parent Food Safety Guide for Listeria Do not eat soft cheeses such as feta, Brie, and Camembert, blue-veined cheeses, or Mexicanstyle cheeses such as queso blanco, queso fresco, and Panela, unless they have labels that clearly state they are made from pasteurized milk. Do not eat refrigerated pâtés or meat spreads. Canned or shelf-stable pâtés and meat spreads may be eaten. Do not eat refrigerated smoked seafood, unless it is contained in a cooked dish, such as a casserole. Refrigerated smoked seafood, such as salmon, trout, whitefish, cod, tuna or mackerel, is most often labeled as “nova-style,” “lox,” “kippered,” “smoked,” or “jerky.” These products are found in the refrigerator section or sold at deli counters of grocery stores and delicatessens. Canned or shelf-stable smoked seafood may be eaten. IListeria-Related Recalls, January - March 2011 Smoked Salmon; Herring Gluten free mac and no cheese Gluten free French bread pizza Deli Subs; Crustless PB&J sandwiches 64,000 pounds of chicken and pork Angus beef patties; Wieners and sausages Mixed salad greens; Celery; Potato salad Raw and cooked broccoli products Cave-aged, washed-rind cheese; String cheese PWDU Quarterly Newsletter http://www.foodpoisonjournal.com/food-poisoninginformation/marler-clark-parent-food-safety-guide-forlisteria/ Listeria in Minnesota Reports of Listeria Infection, Hospitalizations and Deaths, Minnesota, 2005 to 2009 Year Cases Hosp. Deaths Median Age (Range) 2009 3 3 0 80 (0-85) 2008 7 7 1 68 (25-85) 2007 6 6 2 78 (68-95) 2006 7 5 1 63 (53-81) 2005 15 15 2 67 (0-90) 38 36 (95.7 %) 6(16.7%) In the period 2005 through 2009, the median annual number of cases of listeriosis reported to the Minnesota Department of Health was seven. In this five year period, only two of 38 reported cases were associated with a recognized outbreak of foodborne illness. The remaining 36 cases were sporadic and could not be linked to an outbreak. The recognized outbreak occurred in 2006 when two cases of febrile gastroenteritis caused by L. monocytogenes were associated with eating at a restaurant in Dakota County. Both cases reported eating chicken taco salad. A specific ingredient was not implicated. Although environmental samples at the restaurant tested negative for Listeria, numerous critical food-handling violations were noted at the restaurant which likely contributed to the outbreak. Page 4 of 10 TRAINING RESOURCES, MINNESOTA Training Events Calendar The calendar of Food Safety Partnership, MDA, MDH and MEHA events is posted online at: http://www.health.state.mn.us/divs/eh/food/pwdu/fsp/201 1calendar.pdf, and is regularly updated both there and in this newsletter. 2011 Training Events Calendar Date Org. Topics (Contacts) Apr 5 9-12 FSP+ Sushi training ([email protected] s) Certified Food Managers Workshop Apr 13 8:30-4pm MDH May 4-6 MEHA (http://www.mehaonline.org/ev ents.htm) Jun 8 9:30-1pm FSP Epidemiology report, local foods in schools, resale of meat products Aug 10 -12 FSP+ TBA Sep MEHA/ NEHA TBA Oct 5 9:30-1pm FSP TBA ([email protected]) Jul The most recent Food Safety Partnership (FSP) video-conference was held on Wednesday, February 2, 2011. The archive can be viewed at: mms://stream2.video.state.mn.us/MDH/FoodSafety02021 1.wmv To suggest a future FSP topic, contact Deborah Durkin (651-201-4509, [email protected]). For CEUs, contact Maggie Edwards (651-201-4506, [email protected]). Future 2011 FSP meetings will be held on June 8 and October 5, 2011. See past FSP presentations at: http://www.health.state.mn.us/divs/eh/food/pwdu/fsp/ FSP-Plus Short Sessions The next FSP-Plus training will be held on Tuesday, April 5 from 9:00 a.m. to 12:00 noon. FDA, MDH and MDA staff will provide training on sushi-related foods. The training will be web-streamed and available at the usual FSP videoconference sites. Additional FSP-Plus sessions will be held in August and December 2011. For more information, or to suggest training topics, contact Michelle Messer (651-201-3657, [email protected]). University of Minnesota Summer Institute Nov Dec 10 -12 Food Safety Partnership Video-Conferences FSP+ TBA MEHA Spring Conference; Facebook The Minnesota Environmental Health Association (MEHA) Spring Conference will be held May 4 to 6, 2011 at Rutger’s Bay Lodge in Deerwood, MN. For more information, see: 2011 Public Health Institute, May 23-June 10 The 2011 Public Health Institute offers opportunities for students to take classes in Public Health Practice, Environmental Health, Food Protection, Global Health, Infectious Disease Epidemiology, Public Health Leadership & Management, Public Health Preparedness, Research Methods and Women & Child Health and Nutrition. Note that MEHA has a new Facebook page. Members who belong to Facebook can communicate with each other at: https://www.facebook.com/pages/Minnesota- Summer Public Health Institute courses range from one day to three weeks. Courses are designed for people who practice or are studying public health or related fields. Environmental-Health-Association/160272054003203 For more information, see: http://www.mehaonline.org/springconference.htm http://www.sph.umn.edu/ce/institute/ PWDU Quarterly Newsletter Page 5 of 10 TRAINING RESOURCES, NATION-WIDE International Food Protection Training Institute (IFPTI) Upcoming (Free) Courses at IFPTI April 20, Importation & Transportation of Food May 2-6, Food Inspection Techniques & Evidence Development May 11-13, Instructor Development Workshop August, FD150 - Food GMPs August, Instructor Development Workshop September, Food Inspection Techniques & Evidence Development IFPTI reimburses all program-related travel expenses including airfare, hotel and meals for course attendees. More information is available at: http://www.ifpti.org. National Network of Public Health Training Centers Free Online Training The following Environmental Public Health courses are among those available from the National Network of Public Health Training Centers. Practicing Cross Cultural Communication: Flood. (1 hour) The course follows the development of a regional flood evacuation plan that includes a very large migrant worker community. http://www.nynj-phtc.org/pages/catalog/cc2-flood/ Introduction to Epidemiolgy. (1 hour) The course provides an overview of epidemiology, key terms, and examines the role of epidemiologists in public health practice. It includes some case studies and a discussion of how epidemiological studies are related to public health issues. http://www.sph.umn.edu/ce/trainings/coursepage. asp?activityId=8606 Food Safety. (2.5 hours) Food supply and food safety issues and their potential for adverse effects on health. http://www.sph.umn.edu/ce/trainings/coursepage. asp?activityId=4862 Addressing Environmental Contaminants and their Effects on Human Health (6 hours) National Center for Food Protection and Defense: Social Media Constraints and Opportunities Webinar A free webinar – on Friday, April 8, 2011 – from the University of Minnesota based, National Center for Food Protection and Defense (NCFPD) will focus on lessons learned from an NCDFP project studying social media. Walk-away points include incorporating social media into risk communication best practices, need for integrating traditional and new media in crisis response strategies, and the urgency to leverage stakeholder-generated information (video, audio, text) into efforts to comply with food safety messages during a risk or crisis event. To register and for more information, see: http://www.ncfpd.umn.edu/index.cfm/about/webinars/ WEB AND WRITTEN RESOURCES National Association of Local Boards of Health (NALBOH): Local Board of Health Environmental Health Primer The NALBOH Local Board of Health Environmental Health Primer is not a new document but is still relevant. Its authors point out that it can be beneficial to review EH programs, needs and resources periodically. The Primer can help to focus such a reassessment. To download the Primer, see: http://www.cdc.gov/nceh/ehs/NALBOH/NALBOH_EH_Pri mer.htm CDC’s New Noro Guidance for Public Health http://www.cdc.gov/mmwr/preview/mmwrhtml/rr6003a1.h tm?s_cid=rr6003a1_e Updated Norovirus Outbreak Management and Disease Prevention Guidelines, CDC, March 2011 CDC has just released updated norovirus outbreak management and disease prevention guidelines. The document is intended as a resource for state and local health departments during outbreak investigations. Additional information about norovirus, including some new pdf fact sheets can be found at http://www.cdc.gov/ncidod/dvrd/revb/gastro/norovirus.ht m https://practice.sph.umich.edu/mphtc/site.php?mo dule=courses_one_online_course&id=214 PWDU Quarterly Newsletter Page 6 of 10 One more new resource in our fight against poop in food… RULES, LEGISLATION AND REGULATORY MATTERS Minnesota Legislature: EHS Related Issues New Noro Resource for Food Establishments http://www.fmi.org/docs/supersafemark/Norovirus_Info_ Guide.pdf SafeMark Best Practices: Norovirus Information Guide. Ecolab, The Food Marketing Institute and SafeMark have produced a norovirus guide for food establishments that could be thought of as a companion document to the new CDC Noro Guidelines (see previous page). The Guide, “…created to assist the retail food industry in preparing for and effectively handling the cleaning and disinfection of a potential norovirus incident directly associated with vomitus and/or fecal materials,” includes a case study, information about norovirus symptoms and transmission, a plan for control, cleanup information, incident management procedures and tools, a cleaning guide, and other materials. Free Deli Slicer Sanitation Posters from FDA FDA has developed a poster for food establishment operators, and a flyer for food safety professionals regarding safe cleaning and proper maintenance of deli slicers in food establishments. These are the bills that MDH is watching: House File 637; Senate File 477 - Exemption for religious buildings, fraternal, sportsman and patriotic organizations and school concession stands: Expands the exemption for religious buildings, fraternal, sportsman and patriotic organizations Exempts school concession stands House File 0264; Senate File 0160 - Food Consumption Act: Personal responsibility in Food Consumption Act creates immunity from civil liability; prohibiting actions against certain persons for weight gain as a result of consuming certain foods House File 927; Senate File 927 - Health and Human Services Omnibus Bill: Creates a Limited Food Establishment category and language for a waiver for plumbing and other requirements House File 255; Senate File 147 - Raw Milk Sales: Permits sale of certain food products by farmers House File 188; Senate File 168 - Smoking prohibition in public places: Allows smoking in some bars with certain conditions House File 763; Senate File 491 - Swim Ponds: Removes the sunset date and retains the status quo of swim ponds Food Code Revision Information The next meeting of the Food Code Advisory Committee will be held on April 26, 2011. The poster and flyer are available in English and Spanish at no charge. They can be ordered at: Minutes of Rulemaking Advisory Committee meetings can be found on the Rule Revision website at: http://www.fda.gov/downloads/Food/ResourcesForYou/U CM222258.pdf. http://www.health.state.mn.us/divs/eh/food/code/2009rev ision/index.htm. Food Code stream and archive For orders greater than 500, contact Shirley Turpin at [email protected]. addresses can be obtained by contacting Susan Peterson ([email protected]). The documents can also be downloaded at: For more information about meetings, the rulemaking process, or the Advisory Committee, contact Food Code Rule Coordinator, Linda Prail ([email protected] or 651-201-5792.) http://www.fda.gov/Food/FoodSafety/RetailFoodProtectio n/IndustryandRegulatoryAssistanceandTrainingResourc es/ucm240554.htm PWDU Quarterly Newsletter Page 7 of 10 FOOD AND FOOD SAFETY NEWS USDA Proposes Healthier School Lunches In March, the U.S. Department of Agriculture released their proposed nutritional standards for meals served through the National School Lunch and School Breakfast programs. The new standards would add more whole grains, fruits and vegetables, and fat-free and low-fat milk to government funded school meals. Implementation of the new standards would affect 32 million school lunches and 12 million school breakfasts every year. Raw Milk Legislation Legislation to weaken raw milk restrictions has been considered in (at least) nine states this year. These bills include: expansion of current restrictions to include delivery to consumers; allowing sales of raw milk products at various retail locations; expansion of cow-share, goat-share and other animal sharing programs to include raw product sales; and loosening or abolishing of licensing, permitting and inspections. Minnesota law currently allows the sale of raw milk and cream "occasionally secured or purchased for personal use by any consumer at the place or farm where the milk is produced." HF255 would allow direct farm-to-consumer sales and delivery - by the farmer or their agent - of raw milk products. Delivery would be allowed at farmers' markets, farm stands or other locations. In a press release dated March 24, 2011, the Wisconsin Chapter of the American Academy of Pediatrics (WIAAP) stated sharply that legislation proposed in Wisconsin would endanger children. The writers of Raw Milk Facts.com disagree that raw milk is unsafe. Furthermore, they believe that “immune milk” can be created by injecting cows with antibodies, making, “a customized injectable vaccine that is completely safe and free of side effects …that jump starts the immune system and protects against bacteria, viruses, protozoans, fungi and allergens, and that is backed up by numerous studies attesting to its safety and efficacy.” PWDU Quarterly Newsletter Additional Risks with Salmonella Panama In March, Del Monte Produce recalled 5,000 cartons of cantaloupes associated with an outbreak of Salmonella Panama. The contaminated fruit had been sent to Costco stores in Alaska, California, Colorado, Idaho, Montana, Oregon, and Washington. FDA and CDC warned that Salmonella Panama can cause serious and sometimes fatal infections in young children, the elderly and others with weakened immune systems. Furthermore, the press release said, “In rare circumstances, infection with Salmonella Panama can result in the organism getting into the bloodstream and producing illnesses such as arterial infections (i.e., infected aneurysms), endocarditis and arthritis.” This outbreak marks the twelfth documented cantaloupe-based Salmonella outbreak in the United States since 1990, with nearly 950 reported illnesses. Just Saying “No” to FDA Two stories from Food Safety News illustrate some apparent holes in the food safety net. http://www.foodpoisonjournal.com/foodborne-illnessoutbreaks/george-packing-co-refuses-to-namesuppliers-in-e-coli-probe/ In early March, George Packing Company – source of hazelnuts implicated in a recent E. Coli investigation refused to release a list of its suppliers. The company based its refusal on the fact that no sampled hazelnuts had yet been confirmed positive for E. coli O157. A day or two later, the Minnesota Department of Agriculture confirmed that the nuts were the source of a multi-state outbreak. http://www.foodsafetynews.com/2011/03/korean-ownedstarkist-tuna-says-no-to-fda/ Last November, FDA inspectors at a StarKist tuna cannery in American Samoa found "serious violations" with StarKist's seafood HACCP plan and its methods for producing low-acid canned foods. As a result, FDA called multiple StarKist products “adulterated.” When FDA requested processing records, StarKist refused to release them. A spokesperson said, "The quality and safety of all StarKist products continues to be our highest priority.” See MDH Fish Consumption Advice at: http://www.health.state.mn.us/divs/eh/fish/index.html Page 8 of 10 EHS-Net Study of Ill Food Workers http://www.foodsafetynews.com/2011/02/hi-im-sick-andim-your-server-tonight/ (reprinted with permission) 'I'm Sick ... And I'll Be Serving You Tonight' Mary Rothschild, Food Safety News, 2/4/2011 In a study of restaurant food handling and foodborne illness, about 12 percent of the servers and preparers interviewed told public health researchers they had worked while sick with vomiting and diarrhea. The busier the restaurant, the more reluctant the employees were to call in sick, the study found. Titled "Factors Associated with Food Workers Working While Experiencing Vomiting or Diarrhea," the study was a collaborative effort by universities, federal public health agencies and state and local health departments that participate in the Environmental Health Specialists Network. The EHS-Net states are California, Connecticut, New York, Georgia, Iowa, Minnesota, Oregon, Rhode Island and Tennessee. The study findings were published in the Feb. 3, 2011 edition of the Journal of Food Protection. About 20 percent of foodborne illness outbreaks involve pathogens that were transmitted to food by food handlers, the study notes. And while diarrhea and vomiting are common symptoms of some foodborne infections, the study doesn't mention that infected people are sometimes asymptomatic (or that diarrhea and vomiting don't always signal foodborne illness). Efforts by the U.S. Food and Drug Administration to prevent contamination in the food service industry have included encouraging hand washing, gloves to prevent bare-hand contact with ready-to-eat food, and excluding ill workers from the workplace. So the study--one of the first of its kind, the authors say--sought to explain why people who prepare and serve food would come to work if they were ill. Restaurants were chosen at random within certain areas and interviews were conducted with a kitchen manager and one to two food workers chosen by the manager. Of the 486 food workers interviewed, 52 percent were female, 55.5 percent had a high school degree, and 40 percent were between 21-30 years old. According to the findings, 58 (11.9 percent) said that during two or more shifts in the previous year they had served food while they were sick, and their symptoms included vomiting and diarrhea. PWDU Quarterly Newsletter The factor most associated with whether a food handler worked while sick was the restaurants' workload--restaurants that served more than 300 meals on their busiest days were the most likely to have had sick employees on duty. Not surprisingly, the lack of a policy requiring workers to report their illness and the lack of on-call substitutes were also contributing factors. Lack of manager experience also played a role. The study authors speculate that experienced managers might know their employees better and be better able to determine the nature of their illnesses and whether they should work. Whether a manager had food safety training or certification made no difference. Male food handlers were more likely to come to work sick than female food handlers. Workers who had paid sick leave were approximately twice less likely to say they had worked while vomiting and experiencing diarrhea, but the researchers say the number was not statistically significant. The authors acknowledge the study's many limitations: the food workers were not chosen randomly but selected by managers, information about their illnesses was self-reported, some of the interviews took place within the managers' hearing range, and budget constraints prevented the use of translators, so everyone interviewed spoke English. One can't generalize beyond the restaurants in the study, the authors caution. But the researchers conclude the obvious--that the number of food handlers who work when they're sick would be reduced if establishments encouraged employees to acknowledge their illness and if there were no pressures to work while ill. And the authors suggest that restaurants, especially busy restaurants, should make it acceptable for ill foodhandling staff to call in sick given the risk and costs of poisoning customers. "Investments in such policies may be cost-effective interventions for restaurants, given restaurants' substantial financial losses associated with foodborne illness outbreaks," the authors write. "Given our finding of an increased likelihood that workers in highvolume restaurants will work while ill, such investments could be particularly important for high-volume restaurants." Most local food-code regulations require ill food handlers to stay home. (Karen Everstine was an author of the EHS-Net paper.) Page 9 of 10 CLIMATE CHANGE CORNER LAST WORD: Get Out Your Hankies: Climate Change Extends Ragweed Season Send APC Manuals to New Establishments! Ziska, LH and Portnoy, JM, in Proceedings of the National Academy of Sciences, online, 2/22-26/20011 New research suggests that the ragweed season has gotten longer by more than two weeks in some northern states and by nearly a month in parts of Canada. Study authors hypothesized that if temperatures are increasing, the ragweed pollen season -- which is dependent on warm, but not hot weather -- would be getting shorter in the south and longer in the north. A review of 15 years of pollen data from 10 locations in the U.S. and Canada supported that hypothesis. Two out of three southern locations had ragweed seasons two to three days shorter in 2009 compared to 1995. In Midwest and northern locations, the season has increased by 11 to 16 days; increases of 25 to 27 days were seen in the two Canadian cities studied. Co-author, Dr. Jay Portnoy reports that not only has the total amount of pollen increased, but the pollen is more potent, so ragweed sufferers will suffer more. MDH and the City of Minneapolis each have a stock of the Advanced Practices Center Emergency Handbook for Food Managers – the material that was presented at the February 2, 2011 Food Safety Partnership meeting. These handbooks and laminated posters – in a three ring binder – were distributed to state and local regulatory agencies for distribution to their food establishments a few years ago. Any agency that would like to include a copy of the Handbook with plan review materials for new establishments, or any industry partner that would like manuals for their establishments and had not received one may request copies from either MDH or Minneapolis. At the City of Minneapolis, contact Tim Jenkins ([email protected]). At MDH, contact Maggie Edwards ([email protected]). All of the APC materials can be found on the MDH website at: http://www.health.state.mn.us/divs/eh/apc/prof/index.htm l PARTNERSHIP AND WORKFORCE DEVELOPMENT UNIT STAFF CONTACTS April Bogard Supervisor, PWDU [email protected] 651-201-5076, 612-296-8118 Deborah Durkin, FSP, newsletter, food safety outreach [email protected] 651-201-4509, 651-295-5392 Maggie Edwards, administrative support [email protected] 651-201-4506 Nicole Koktavy, EHS-Net coordinator [email protected] 651-201-4075, 651-387-6461 Lynne Markus, IARC, emergency response, climate change [email protected] 651-201-4498 Michelle Messer, training, program evaluation, standardization [email protected] 651 201-3657, 651 775-6238 Michael Nordos, training, program evaluation, standardization [email protected] 651-201-4511, 651-775-6234 Angie Wheeler, training, program evaluation, standardization [email protected] 651-201-4843 651-373-7381 MINNESOTA DEPARTMENT OF HEALTH DIVISION OF ENVIRONMENTAL HEALTH Orville L. Freeman Building 625 North Robert Street Saint Paul, Minnesota 55155 PWDU Quarterly Newsletter http://www.health.state.mn.us/ehs http://www.health.state.mn.us/foodsafety Page 10 of 10
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