Handwashing

  • Posted: January 26th, 2012 - 5:54am by Doug Powell

    James Gorman of the New York Times writes that disgust is having its moment in the light as researchers find that it does more than cause that sick feeling in the stomach. It protects human beings from disease and parasites, and affects almost every aspect of human relations, from romance to politics.

    In several new books and a steady stream of research papers, scientists are exploring the evolution of disgust and its role in attitudes toward food, sexuality and other people.

    Paul Rozin, a psychologist who is an emeritus professor at the University of Pennsylvania and a pioneer of modern disgust research, began researching it with a few collaborators in the 1980s, when disgust was far from the mainstream.

    “It was always the other emotion,” he said. “Now it’s hot.”

    Speaking last week from a conference on disgust in Germany, Valerie Curtis, a self-described “disgustologist” from the London School of Public Hygiene and Tropical Medicine, described her favorite emotion as “incredibly important.”

    She continued: “It’s in our everyday life. It determines our hygiene behaviors. It determines how close we get to people. It determines who we’re going to kiss, who we’re going to mate with, who we’re going to sit next to. It determines the people that we shun, and that is something that we do a lot of.”

    It begins early, she said: “Kids in the playground accuse other kids of having cooties. And it works, and people feel shame when disgust is turned on them.”

    Dr. Curtis is involved in efforts in Africa, India and England to explore what she calls “the power of trying to gross people out.” One slogan that appeared to be effective in England in getting people to wash their hands before leaving a bathroom was “Don’t bring the toilet with you.”

    Whatever the fine points of disgust, its power to affect behavior is unquestioned, and that power ought to be put to good use, Dr. Curtis said. So, in one of her projects, she has worked with an Indian public relations agency to come up with a disgust-based campaign to encourage hand washing among mothers in small villages, which could save countless children’s lives lost to diarrhea and other diseases.

    The result, now being tested, is a skit involving two characters, one a supermom and the other a disgusting, dirty man. The man makes sweets using mud and worms, stops in the middle of the performance to rush off because he has diarrhea, never washes his hands and does everything possible to be revolting.

    Supermom is scrupulously clean. Her children don’t get sick, the skit makes clear. In fact, her baby grows up to be a doctor. She washes her hands all the time.

    The prominence of diarrhea in the skit is no accident. One thing about studying disgust, Dr. Curtis said, is that it makes you realize how important it is to talk about the very things that disgust us, because they often present dangers to public health.

    “We need to talk about” excrement, she said, using a punchier single-syllable word for maximum effect — a word she is unapologetic about using, as befits a disgustologist.

    “Which is worse?” Dr. Curtis asked. To talk about it, “or to make kids die.

    Shock and shame.

    We’ve been using disgust for a long time. It is called barfblog.

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  • Posted: December 10th, 2011 - 5:04pm by Doug Powell

    The Minnesota Department of Health on Friday said at least 60 people became sick after eating contaminated food at two events at downtown Duluth’s Greysolon Plaza Ballroom on Dec. 3.

    That report was up from 40 people as of Thursday.

    Trisha Robinson, a senior epidemiologist with the health department, said it appears the culprit was norovirus, the most common food-related illness in Minnesota, which is often spread by food-handlers who don’t thoroughly wash their hands.

    People who have been ill should also refrain from preparing food, commercially or for their own families, for an additional 72 hours after they recover, Robinson said. The virus, which moves from anal to oral contact, is not easily spread by casual contact but moves fast through contaminated food.

    Greysolon Ballroom remains open and able to serve food, Robinson said, but Department of Health staff members have been on site to make sure the facility is taking proper precautions to prevent the problem from happening again.

    About 250 people attended one event and 100 attended the other at the Greysolon, state officials said. One was a wedding and the other a private party.

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  • Posted: November 26th, 2011 - 4:17pm by Doug Powell

    This is a CBS News video of the Arrowsight handwashing video monitoring system that has been used to dramatically increase handwashing compliance rates at North Shore University Hospital in Manhasset, N.Y.

    The same system is now being widely used by meat companies in an effort to reduce E. coli and other contamination inside processing plants.

    According to a Wall Street Journal article earlier this month, the new technique allows remote auditors to watch whether plant workers follow safety protocols aimed at reducing the spread of deadly bacteria.

    JBS SA, the world's largest beef processor, saw a 60% drop in the level of E. coli found by company inspectors after it installed monitoring cameras, said John Ruby, head of technical services for the company's beef division. The Brazilian meat processor started with a pilot program after it recalled 380,000 pounds of beef that sickened 23 people in nine states in 2009.

    A trial run at its Souderton, Pa., plant showed an immediate improvement in results, so the company placed cameras in all eight of its U.S. plants.

    "We are seeing increased interest among meat companies in remote video auditing as part of their food safety and animal welfare programs," said J. Patrick Boyle, president of the American Meat Institute, which represents most beef and pork packing companies. "Those who have implemented these programs have reported very good results."

    Cargill Inc., another major U.S. beef producer, uses video cameras to make sure its cattle are treated humanely before they are slaughtered. The Minneapolis-based company is now considering an expansion to monitor for food safety in its pork and turkey operations, according to Mike Siemens, head of the company's animal welfare division.

    Aurora, Ill.-based OSI Group LLC., a meat processor, for several years has used video cameras to monitor employees in three of its five U.S. plants for general food-safety practices. The company, which supplies McDonald's and other companies with bacon, sausage and chicken, decided in June to expand the monitoring to its other two plants.

    After the JBS results, the Agriculture Department—the government agency responsible for overseeing the safety of the U.S. meat supply—in August released voluntary guidelines for video monitoring at meat companies.

    In some cases, companies are watching to see if sloppy work is allowing meat contamination. They are also using the cameras to make sure employees aren't mistakenly sending the expensive cuts into hamburger grinders.

    Arrowsight has two facilities—one in Huntsville, Ala., and one in Visakhapatnam, India—employing 50 people to monitor meat-cutting operations. The company was wary about using workers in India, where parts of the country outlaw cattle slaughter, to monitor beef production.

    But it hasn't had problems with that, Mr. Aronson said. Arrowsight routes the most graphic slaughter video to its staff in Huntsville, he said.

     

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  • Posted: November 25th, 2011 - 5:00am by Doug Powell

    Tina Rosenberg of the New York Times writes that in the intensive care units at North Shore University Hospital in Manhasset, N.Y., two L.E.D. displays adorn the wall across from each nurses’ station. They show the hand hygiene rate achieved: last Friday in the surgical I.C.U., the weekly rate was 85 percent and the current shift had a rate of 91 percent. “Great Shift!!” the sign said. At the medical I.C.U. next door, the weekly rate was 81 percent, and the current shift 82 percent.

    Those L.E.D. displays are very demanding — health care workers must clean their hands within 10 seconds of entering and exiting a patient’s room, or it doesn’t count. Three years ago, using the same criteria, the medical I.C.U.’s hand hygiene rate was appalling — it averaged 6.5 percent. But a video monitoring system that provides instant feedback on success has raised rates of handwashing or use of alcohol rubs to over 80 percent, and kept them there.

    Hospitals do impossible things like heart surgery on a fetus, but they are apparently stymied by the task of getting health care workers to wash their hands. Most hospitals report compliance of around 40 percent — and that’s using a far more lax measure than North Shore uses.

    How do hospitals even know their rates? Some hospitals track how much soap and alcohol gel gets used — a very rough measure. The current standard of care is to send around the hospital equivalent of secret shoppers — staff members who secretly observe their colleagues and record whether they wash their hands.

    This has serious drawbacks: it is expensive and the results are distorted if health care workers figure out they’re being observed. One reason the North Shore staff was so shocked by the 6.5 percent hand-washing rate the video cameras found was that measured by the secret shoppers, the rate was 60 percent.

    The North Shore study, published this week in the journal Clinical Infectious Diseases, is the first use of video in promoting hospital handwashing, and the first controlled study in a peer-reviewed journal of a high-tech effort to increase hand hygiene rates.

    North Shore instead uses a video monitoring system made by a company called Arrowsight. Cameras on the ceiling are trained on the sinks and hand sanitizer dispensers just inside and outside patient rooms. (Patients are not photographed.) A monitor at each door tracks when someone enters or leaves the room — anyone passing through a door has 10 seconds to wash hands. Arrowsight employees in India monitor random snippets of tape and grade each event as pass or fail.

    What makes the system function is not the videotaping alone — it’s the feedback.

    The nurse manager gets an e-mail message three hours into the shift with detailed information about hand hygiene rates, and again at the end. The L.E.D. signs are a constant presence in both the surgical and medical I.C.U.s

    This is Arrowsight’s first foray into health care. The company’s main business is meat: half the beef processing plants in America use its video system to monitor workers’ hygienic practices.

    Adam Aronson, Arrowsight’s chief executive, said that at one plant cameras focused on a hand sanitizer dispenser right outside the bathroom. With monitoring and feedback, hand hygiene rates went from about 4 percent to over 95 percent, and the achievement was sustained.

    At first Farber feared he wouldn’t be able to get approval; the conventional wisdom was that employees don’t like being videotaped. But then he thought about a recent experience at the dry cleaner: he had picked up some of his daughter’s clothes, but one of her suits was missing. He went back to the shop and told them the date and approximate time of his visit. They pulled up a video that indeed showed him leaving her suit behind. “If dry cleaners are doing that, we need to do that in the hospital,” he thought.

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  • Posted: November 18th, 2011 - 9:17pm by Doug Powell

    “Gloves give a false sense of security” is standard food safety banter when talking about the use of gloves in food service.

    My version is, “It doesn’t matter whether someone making a sandwich or salad is wearing gloves or not if they pick their nose, explore their ear or scratch their butt and then continue to prepare food.”

    A paper published in the journal Infection Control and Hospital Epidemiology "The Dirty Hand in the Latex Glove: A Study of Hand-Hygiene Compliance When Gloves Are Worn," takes up a similar issue in hospitals. The study was summarized by The Atlantic.

    Problem: Gloves reduce germ transmission in situations where contact with body fluids is expected. Their use, however, is not a substitute for handwashing before and after patient contact, since germs can still get through latex and hands can be contaminated by "back spray" when gloves are removed.

    Methodology: Researchers in the U.K. led by Sheldon Stoneof the Royal Free Hospital NHS Trust observed glove use and hand-hygiene practices involving 7,578 patient contacts in 56 intensive care units in 15 hospitals.

    Results: Gloves were used in just over a quarter of the patient contacts and were absent in 141 of 669 high-risk contacts. Use of gloves was strongly associated with poor hand hygiene as well. While only half of those who didn't wear gloves washed their hands before and after coming into contact with a patient, the rate for those who wore gloves was even lower at just 41.4 percent.

    Conclusion: Hand hygiene is a serious problem in hospitals. Healthcare workers who wear gloves may be relying too much on their ability to prevent transmission, as they clean their hands before and after patient contact much less frequently.

    Implication: This failure of basic hand hygiene could be contributing to the spread of infection, the researchers say in a statement. Hand-hygiene campaigns should consider placing greater emphasis on the World Health Organization's indications for glove use.

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  • Posted: November 18th, 2011 - 8:46pm by Doug Powell

     

    Dr. Pete gives good quote in a story from the I-Team at KHOU in Houston.

    “They’re not following their own rules, and if they’re not following their own rules, they’re not protecting public health,” said food scientist Dr. Pete Snyder.

    Just how often was the city not following its own rules? The I-Team found 4,009 restaurants, 65 percent of all Houston eateries, overdue for a health inspection.

    And in hundreds of cases, the city was tardy by more than a year.

    “Shape up and get their damn inspections fixed,” said Dr. Snyder, who was studying food safety and inspecting kitchens before we put a man on the moon.

    As the founder and president of Minnesota-based Hospitality Institute of Technology and Management, he has educated thousands of executives, owners, chefs and employees on procedures for producing safe food.

    He said delinquent inspections can undermine the entire regulatory process.

    “Pretty soon the operator begins to believe that the health department is not real, they’re not going to punish him, and that’s bad,” Snyder said.

    “Any restaurant in Houston that’s open for business is a safe place to eat,” said Patrick Key, Bureau Chief of Consumer Health Services.

    At Ninfa’s in the 8500 block of the Gulf Freeway, Houston city inspectors closed the restaurant down in September 2010 after finding numerous violations. Those included live roaches, no soap in the kitchen sink, and food not safe for human consumption. The next day management corrected most of the violations, but was still written up for the treatment of roach activity.

    It was due for another inspection in six months. But instead, the city waited more than a year. 


    
”You don’t let go of that restaurant until the restaurant has solved the problem,” Dr. Snyder said.
 
But repeat problems don’t always sound the city’s alarms either.

    Consider the Triple J’s Smokehouse in the 6700 block of Homestead Road. It had 154 violations over the past three years. Its last inspection, November 2010, turned up equipment not washed, rinsed and sanitized, as well as potentially hazardous foods at unsafe temperatures. For that, the city should have checked up this past January, but has yet to do so.

    There’s also KC’s Seafood and Grill in the 400 block of Maxey Road. City records showed it was a year and a half overdue for a health inspection, so we paid a visit with a food safety expert.

    “Everything’s been corrected,” said the manager who identified herself as Debbie.

    She told us everything was OK after a city inspector had finally shown up a few weeks before we did. But Dr. Snyder still found problems, from cooked food sitting out at room temperature, to problems with the kitchen sink.

    “There’s no soap, there’s no paper towels, you couldn’t possibly use the hand sink to wash your hands in,” Dr. Snyder said, adding that hand washing is critical.

    “That’s how half of the foodborne illness occurs,” Dr. Snyder said.

    So the I-Team had some questions for that city bureau chief who said you should feel confident every Houston restaurant is a safe place to eat.

    “I don’t think we’ve ever had enough staff,” said Patrick Key.

    Key said the city just can’t keep up with its two requirements—annual inspections on all food permit establishments, as well as risk-based inspections on eateries with poor previous inspection scores.

    But when the I-Team began digging, Key suddenly ordered 500 inspections at past due eateries. He said those were all done over the course of a week.
 
”90 percent of them got a score of one or two which are good scores,” Key said.

    But for Dr. Snyder, good may not be good enough. Consider the Pho Saigon restaurant in the 2500 Block of Gessner, one of the 500 eateries the city had scrambled to inspect.

    “They have bad cooling practices, they have bad hot holding practices, these are things that really make people sick,” said Dr. Snyder.

    Dr. Snyder said the city should be saying this:

    “We can’t have out-of-date facilities who are supposed to be inspected. We will have none of those anymore.”

    As for Ninfa’s, the Gulf Freeway restaurant received a handful of non-critical violations on its most recent inspection last month. Additionally, Dr. Snyder gave the kitchen good marks during his tour of the restaurant.

     

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  • Posted: November 11th, 2011 - 3:47pm by Doug Powell

    Joyce Slaton of Chow tracked me down the other day and we had a lovely chat about yucky things after I had taken my daughter to school and before she had to pick up her daughter. Time zones.

    Slaton writes that research conducted in the summer of 2011 by Harris Interactive found a solid 79 percent of respondents saying they'd avoid a restaurant after encountering a nasty bathroom. But does the link between a filthy toilet and a dirty prep table even make sense? Hard data is rare. Though health and restaurant inspectors do check for the general appearance of cleanliness in restrooms and dining areas, they save their swabs and scientific gauges for the food-prep areas.

    But as Douglas Powell, professor of food safety at Kansas State University, publisher of food safety-focused barfblog.com, and a passionate proponent of proper handwashing (we'll get to that in a moment), says, "There's a yuck factor when you go in and say, 'Eww, this is dirty, what else is?' But there's no proven correlation between having a dirty bathroom and unsafe food. The employees have different sinks to wash their hands in. You don't see those—they're at the back."

    Chowhound poster soupkitten makes a good point in a thread titled Freezing Bathrooms=Omen: "Folks who want to point to a smudge on the front window of a restaurant or a smudge on the floor of the men's room as evidence that the kitchen of a restaurant or any other business is unsanitary seriously need to realize that most establishments have divisions of labor and that the brunch crew comes in at 6 a.m. to crack eggs, not wash windows and wipe down toilet seats!"

    Meanwhile, Powell (politely) pshaw-ed my notion that a dirty bathroom meant that diners should order differently or avoid a restaurant.

    "But," he warns, "if you see a cook or a waiter come in and use the bathroom and start to leave without washing up, say something [like], 'Dude, wash your hands!'" Powell also hopes patrons will speak up when bathrooms don't have the tools for proper handwashing. Which are?

    • Vigorously flowing water: "Temperature doesn't matter," says Powell, despite the fact that we've all been told that warm water works better. Microbiologically, it doesn't matter.

    • Soap: Lather energetically for 10 seconds, not 20 as you may have heard. It's OK with Powell if you want to sing "Happy Birthday" to yourself while you do it, but he'd rather you count than sing kiddie songs.

    • Paper towels: The blow-dryers disperse microorganisms into the air and they don't get your hands dry, says Dr. Powell. Paper towels are better. But don't bother using one to hold the bathroom door handle as you go out: The door handle surface isn't a particularly great place for bacteria to grow.

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  • Posted: November 9th, 2011 - 2:33pm by Doug Powell

    The Pima County Board of Health wanted you to have some hand sanitizer before you have a hot dog, but the Board of Supervisors denied a proposal to require food trucks to provide the gel.

    The proposed ordinance also would have required food festivals to provide a handwashing station for every five portable toilets.

    During their meeting this morning, the supervisors voted unanimously to reject the proposed ordinance.

    Some food truck owners and festival organizers said the county doesn't need to legislate handwashing.

    "Hand sanitizer isn't communism, it's common sense," health board member Brad Brumm said after the meeting.

    Supervisor Ann Day said common sense will lead people to carry hand sanitizer in a purse or pocket if they want to wash up.

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  • Posted: November 1st, 2011 - 12:41pm by Doug Powell

    The New York Post reports a food-cart vendor repeatedly changed his identity to evade $90,000 in health violations.

    Ayman Metwally, 31, would take on a new identity and apply for a new vendor license rather than renewing his old one every two years.

    He even altered his Social Security number twice by writing over the digits in pen, adding curves to a “6” to form a sloppy “8,” according to the Health Department.

    In 2005, Metwally was hit with 42 health-code violations, including not having a place to wash his hands in the cart. By the time his license was up in 2009, he had added 31 more.

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  • Posted: October 31st, 2011 - 8:31pm by Doug Powell

    disgust.jpg

    Feelings of disgust help humans avoid, or at the very least recognize, the things that cause disgust like sick people, dirty water, vomit, body fluids and all the other stuff that makes us react "Yuck."

    BBC News reports that in a paper published in Philosophical Transactions for the Royal Society B, Dr Val Curtis, from the London School of Hygiene and Tropical Medicine, argues that avoidance behavior is essential to prevent the spread of all the major current and recent infectious diseases which present a threat to humans.

    Washing hands and food can prevent diseases like cholera and hepatitis A, avoiding sex with others who are infected helps prevent the spread of HIV, while keeping a distance from people with influenza or measles is a sensible move to reduce the risk of infection.

    "The idea of contacting or consuming infectious substances such as saliva, feces or vomit, or of intimate contact with those known to be carrying infection is deeply uncomfortable to even contemplate," writes Dr Curtis.

    "Self-limitation of such behaviour is so automatic and intuitive that it is often ignored as the front-line in our defense against disease.

    Something as simple as handwashing with soap could save over a million lives a year globally, the paper says, just by stopping the transmission of disease.

    Disgust is often used to get this message across in public health campaigns.

    Stephen Fry, who has declared himself celibate in the past, is quoted in Dr Curtis's paper describing how disgust played a part in his decision to abstain from sex.

    "I would be greatly in the debt of the man who could tell me what would ever be appealing about those damp, dark, foul-smelling and revoltingly tufted areas of the body that constitute the main dishes in the banquet of love.

    "Once under the influence of drugs supplied by one's own body, there is no limit to the indignities, indecencies and bestialities to which the most usually rational and graceful of us will sink."

    Why disgust matters
    12.dec.11
    Philosophical Transactions of the Royal Society B, vol. 366, no. 1583, 3478-3490
    Valerie Curtis
    http://rstb.royalsocietypublishing.org/content/366/1583/3478
    Abstract
    The new synthesis about disgust is that it is a system that evolved to motivate infectious disease avoidance. There are vital practical and intellectual reasons why we need to understand disgust better. Practically, disgust can be harnessed to combat the behavioural causes of infectious and chronic disease such as diarrhoeal disease, pandemic flu and smoking. Disgust is also a source of much human suffering; it plays an underappreciated role in anxieties and phobias such as obsessive compulsive disorder, social phobia and post-traumatic stress syndromes; it is a hidden cost of many occupations such as caring for the sick and dealing with wastes, and self-directed disgust afflicts the lives of many, such as the obese and fistula patients. Disgust is used and abused in society, being both a force for social cohesion and a cause of prejudice and stigmatization of out-groups. This paper argues that a better understanding of disgust, using the new synthesis, offers practical lessons that can enhance human flourishing. Disgust also provides a model system for the study of emotion, one of the most important issues facing the brain and behavioural sciences today.

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