Phac

  • Posted: April 28th, 2011 - 2:49pm by Doug Powell

    Three weeks since the last update on an E. coli O157:H7 outbreak linked to walnuts in Canada and the Public Health Agency of Canada today reported … nothing.

    PHAC stated:

    “Since the last update on April 7, 2011, there have been no new cases of illness reported as part of this outbreak in Canada. The last reported case became ill on March 25, 2011.

    "The Public Health Agency of Canada (PHAC) continues to work with provincial/territorial authorities, the Canadian Food Inspection Agency and Health Canada to identify illnesses that may be associated with this outbreak and to confirm the source of the outbreak. PHAC will provide updated information as the outbreak investigation progresses."

    And then it repeated the statement of April 7, 2011, which noted there have been 14 cases of E. coli illnesses reported from Quebec, Ontario and New Brunswick. Some of these cases have experienced serious illness. Ten individuals have been hospitalized and 3 cases developed haemolytic uremic syndrome (HUS).
     

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  • Posted: April 4th, 2011 - 3:38pm by Doug Powell

    walnut.oven_.e.coli_.jpg

    Late last night, Canadian health types issued a media release saying there were people sick from E. coli O157:H7 in several provinces linked to walnuts.

    I noted that was really crappy risk communication – not being clear about what was known in terms of sick people and what was not known -- which is expected of government agencies like Health Canada, especially when they proclaimed a couple of days ago they were a founding member of some international Center of Excellence in Food Risk Communication (it’s a website and sucks).

    About an hour ago (2:16 p.m. Eastern, April 4, 2011) the Public Health Agency of Canada (PHAC) announced there have been 13 cases of E. coli O157:H7 in Quebec, Ontario and New Brunswick (those are provinces in Canada). Nine individuals have been hospitalized and two cases developed hemolytic uremic syndrome (HUS).

    The strivers for excellence in food risk communication note:

    “You can help reduce your risk of becoming ill by following safe food handling precautions:
    ◦ Clean counters and cutting boards and wash your hands regularly.
    ◦ Read labels and follow cooking and storage instructions for all foods.
    ◦ Make sure to check the "best before" date on all foods.
    ◦ Use warm soapy water to clean knives, cutting boards, utensils, your hands and any surfaces that have come in contact with food, especially meat and fish.
    ◦ Refrigerate or freeze perishable food within two hours of cooking.
    ◦ Freeze or consume leftovers within four days of cooking.
    ◦ Always reheat leftovers until steaming hot before eating.
    ◦ Keep refrigerators clean and at a temperature below 4° C, or 40° F. Install a thermometer in your refrigerator to be sure.”

    I have no idea how this applies to raw walnuts, like the ones I had on my salad for lunch (those yummy walnuts were from California, not Egypt, Lebanon, Syria, Turkey, Saudi Arabia or Iran, the places from where the fingered distributor, Amira Enterprises Inc. of St. Laurent, QC, imports things like walnuts.

    And rather than toss out the suspect walnuts, Canadian health types recommend “consumers who have raw shelled walnuts in their home can reduce the risk of E. coli infection by roasting the walnuts prior to eating them. Consumers should place the nuts on a cooking sheet and bake at 350°F for 10 minutes, turning the nuts over once after five minutes.”

    This does not account for the risk of cross-contamination with a virulent pathogen. My microbiology friends look forward to testing out this advice. I wonder what it was based on?
     

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  • Posted: January 8th, 2010 - 12:00am by Doug Powell

    Author: 
    Doug Powell

    The Public Health Agency of Canada, which was created to streamline various public health duties like providing meaningful data on foodborne illness and provide leadership on public health issues (totally useless during the 2008 listeria in deli meats outbreak that killed 22) has gotten around to releasing so-called integrated surveillance data for selected enteric diseases in Canada.

    This report focuses on the years 2000 to 2004. The pathogens described are Salmonella, Campylobacter, verotoxigenic Escherichia coli and Shigella. From 2000 to 2004, a general decline in reported rates of all four pathogens was observed in all except a few provinces. When looking at more long-term trends from 1995 to 2004, a similar decline was seen in nationally reported rates for all four pathogens. S. Typhimurium was the most frequently reported Salmonella serovar during the five-year period described, followed by S. Heidelberg and S. Enteritidis. C. jejuni remained the most prevalent Campylobacter species reported between 2000 and 2004. E. coli O157 comprised the majority of verotoxigenic E.coli isolates over these five years. Shigella sonnei was the most frequently reported Shigella species.

    Hospitalizations, deaths, outbreaks and case clusters, as well as unusual isolation sites and travel-acquired infections are also explored in this report. Pathogenic E. coli was associated with the highest hospitalization rates over the five-year period, although Salmonella infections resulted in the largest number of deaths overall. Data on outbreaks and case clusters is limited to those reported to the National Enteric Surveillance Program (NESP) and the National Microbiology Laboratory (NML).


    Which means, not much. The data is exceedingly limited, and why it took at least 5 years to report is baffling. Canadians can comfortably go back to sleep.

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  • Posted: September 1st, 2009 - 6:25pm by Doug Powell

    Going through the food safety press releases of Canadian bureaucracies for inconsistencies is like fishing with dynamite.

    So many little tips that a bunch of $50-150K per year salaries sweated over.

    Yesterday, the Public Health Agency of Canada said it was “working with provincial and local health authorities, Health Canada and the Canadian Food Inspection Agency (CFIA) to investigate a small outbreak of Salmonella Cubana.”

    I have no idea how the public health types distinguish a small from a large outbreak, but I bet it doesn’t feel very small to the 14 identified people who have been barfing from raw sprouts.

    And I’m sure it’s comforting to those barfing that,

    “For most people, the risk posed by Salmonella infections is low.  Salmonella is the most frequently reported cause of food-related outbreaks of stomach illness worldwide.”

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  • Posted: April 24th, 2009 - 5:03pm by Doug Powell

    When I think Thunder Bay, Ontario in January, I think melons.

    Ripe, juicy melons, like cantaloupe.

    The Thunder Bay District Health Unit is investigating an increased number of Salmonella cases in Thunder Bay and District. Twenty-three cases of Salmonella have been reported since January of this year. We would normally expect approximately seven (7) cases in this time period.

    Some cases have been linked to person-to-person transmission or travel and some are related to a North American outbreak being investigated by the Public Health Agency of Canada (PHAC). Six cases are still under investigation, but like most Salmonella cases, are likely related to unsafe food handling in the home. …

    The outbreak under investigation by PHAC may be related to melons. Because melons grow at ground level, their rough and pitted outer skin can trap Salmonella bacteria from the soil. If the outer skin of a melon is contaminated, the fruit inside may be affected when the melon is cut. Follow these tips:

    * Buy melons that are not bruised or damaged and store them in the fridge.
    * Throw away any melon that is bruised or rotten.
    * Wash all melons before cutting.  When cleaning a cantaloupe, brush the whole fruit under running water using a clean produce brush, getting into all the pits on the skin.
    * Put cut melon on a clean plate; don’t put the pieces back on the cutting board.
    * Don’t reuse any food equipment (e.g. knife, cutting board) used to prepare a melon.
    * Wash all equipment with hot water and soap or clean them in the dishwasher.
    * Store cut melon in a clean container in the fridge.


    How is Salmonella in melons a consumer handling issue? Where is the data that says most Salmonella cases are related to unsafe food handling in the home? And why no notice from PHAC about an outbreak investigation?
     

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  • Posted: March 9th, 2009 - 9:33pm by Doug Powell

    Dr. David Butler-Jones (right, exactly as shown), the chief public health thingy for Canada who hasn’t been heard from since his embarrassing statements about how listeria in deli meats that killed 20 Canadians last fall was due to poor handwashing , has apparently spent the past 7 months devising a game for school kids.

    Dr. David Butler-Jones, Canada’s Chief Public Health Officer, today launched an educational program designed to help students learn about food borne illnesses, how they’re caused and how to prevent the risk of infection.

    It’s foodborne, not food borne. Butler-Jones insists repeatedly the bulk of foodborne illness happens at home, and says the game is innovative but provides no assessment by the targert audience.

    “Creating healthy habits and practicing safe food handling starts at an early age. These students are learning an important lesson about the causes of food contamination and how to protect themselves and their families against infectious disease. This initiative shows how collaboration between the federal and provincial governments, health experts and educators can lead to the creation of innovative public health tools and resources that contribute to better health for Canadians and for our communities.”

    This initiative shows nothing except how tax dollars can be wasted.

    Oh, and Health Canada came out today with so-called fact sheets on how to safely handle fresh produce, and emphasize repeatedly that “fresh fruits and vegetables do not naturally contain microorganisms … that can make you sick.”

    No idea where that statement came from. Other than pressure from the fresh fruit and vegetable growers in Canada. That’s how government and public pronouncements roll north of the 49th parallel.
     

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  • Posted: September 28th, 2008 - 8:33pm by Doug Powell

    The Public Health Agency of Canada, still smarting from criticism over its absence  in the listeria outbreak, decided to show up Sunday night and advise Canadians about melamine, and a North American-wide Salmonella Poona outbreak

    In Canada to date, there have been 6 cases spread across Manitoba, Quebec and Nova Scotia with the same genetic fingerprint, and 14 other suspected cases in Ontario.  No one has been hospitalized so far.  There have been 48 cases reported in the U.S.

    The cause of the potential outbreak is not known at this time.  Provincial laboratories and the Agency's National Microbiology Laboratory are conducting ongoing analyses to determine if other Salmonella Poona cases share the same genetic fingerprint as those identified thus far.  The number of cases associated with this outbreak may increase as the investigation continues. … The Agency will keep Canadians informed as new information becomes available.


    Salmonella Poona has been associated with outbreaks in cantaloupes and turtles. Given the outbreak of Salmonella – strain not yet identified in U.S. reports -- involving pet turtles and up to 100 Americans announced last week, it’s probably the same outbreak.

    But with the Public Health Agency of Canada who knows.

    Don't kiss turtles.

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