Connect with us

COVID-19

Are your groceries dangerous? Facts from a Food Microbiologist

Published

10 minute read

Don Schaffner is a professor of food microbiology at Rutgers School of Environmental and Biological Sciences.  He hosts two podcasts called Food Safety Talk and Risky or Not?  Here he refutes a widely seen video which urges everyone to go to great lengths to wash their groceries.

 

Unless you are living under a rock or have already perished from COVID-19, you’ve likely seen a YouTube video making the rounds where a medical doctor (wearing scrubs!) purports to give COVID-19 advice.

I’m not going link to the video, because if you haven’t seen it, consider yourself lucky. First of all, scrubs? Aren’t those meant for being around sick people? Why would you wear something like that in your house. It seems very irresponsible.

I’m a food microbiologist. Would you like me to give you advice on how to care for your sick kids? I don’t think so. Don’t take food safety or microbiology advice from MDs that don’t understand food, science or very much about microbiology.

There are a few things that he gets right, but I’m not going to focus on those. I’m going to spend my time here focusing on the things that he gets partly or completely wrong.

He completely misrepresented the 17 days figure from CDC. This was based on finding viral RNA, not infectious viral particles. The CDC report also does not give the methods used but cites personal communication… impossible to peer review.

Should I keep my groceries in the garage or on the porch for 3 days? This is patently ridiculous. Are you really going to keep your milk, your ice cream, your deli meats outside for three days?

This also has very important food safety implications. This sounds like a recipe for disaster, or at the very least spoiled food.

There is a tiny nugget of truth in this advice, because we know that the virus is slowly inactivated at room temperature, with a half-life of about eight hours.

But this advice presumes that all groceries are contaminated, and the simply touching the groceries will make you sick, neither of which are true.

Do I really need to disinfect all of the individual boxes & baggies everything came in? I also think that this is also advice that does not make scientific sense.

If you are concerned about the outside of food packages being contaminated, I suggest that you wash your hands and or sanitize your hands before you sit down to eat any food that you might’ve taken out of those containers.

And guess what, washing your hands before you eat is a best practice even when we’re not in a pandemic!

Do I really need to scrub all your fruits and veggies with soap before eating? This is the worst advice being given by this irresponsible MD. Soap should *absolutely* not be used to wash food. See my earlier comments: https://twitter.com/bugcounter/status/1242956925525995521…

Soap is not designed for food. As mentioned in the linked thread, soap can cause nausea, vomiting and diarrhea if ingested. Current recommendations by scientific experts including the FDA, say to wash fresh fruits and vegetables in cold water.

 

He also seems to have a belief that I find surprisingly common (including among food safety professionals). That is the belief that I referred to as “handwashing is magic”.

Hand washing is not magic, nor does it “sterilize” your hands as claimed in the video. The only way to sterilize your hands would be to plunge them into boiling water, which I don’t recommend for obvious reasons.

We’ve done research on handwashing in my lab. You can count on a hand wash (depending upon your technique), to likely give you somewhere between a 90 a 99% reduction in transient microorganisms on your hands.

A microbiologist would call this a 1-2 logarithm reduction. Let’s contrast that with the sterilization process used for canned foods. That would give you a 99.9999999999 percent reduction. In case you’re counting, there’s 12 nines in that number.

Is washing your hands good? Of course it is. Is it going to sterilize your hands? Absolutely not. But it is a good risk reduction technique. As is the use of hand sanitizer. So do both of those things.

If your hands are getting dry from too much handwashing, be sure to use some moisturizer.

Also re: washing produce, people may wonder about “veggie wash” products. Many of these have not been evaluated for their effect on bacteria and none have been evaluated for their affect on SARS-CoV-2, the causative agent for COVID-19.

Many of veggie washes are likely no more effective than water. On the other hand, if it makes you feel better, and you don’t mind throwing money to the veggie wash company, I say go for it.

Some people are also asking about vinegar for washing fresh produce. Again the research says it’s not much better than plain water. Save the vinegar for oil and vinegar dressing on your salad.

Are reusable bags risky? Many people use reusable bags as a responsible choice. We do this in my family as well. It’s a best practice (even before the times of pandemic) to wash your reusable bags on a regular basis.

While it is theoretically possible that a reusable bag may pick up germs, including coronavirus while in the grocery store, the biggest threat that anyone faces is someone else in the store who has COVID-19.

I would suggest that you keep your grocery bags in the car, so you have them handy the next time you go shopping. If you’re concerned that your bags might have coronavirus on them you can wash them.

You should also wash your hands after you have finished putting all your groceries away. This was also a good advice even before pandemic.

But Dr. Don, what I can do to reduce risk when grocery shopping? Many grocery stores are offering hand sanitizers at the entrance, and are offering to sanitize grocery carts. Both great ideas, and customers should take advantage if available.

My other advice is to make a list, and know what you want, and move quickly and efficiently through the store picking out the items on your list. Practice appropriate social distancing, trying your best to keep 6 feet away from other shoppers.

If there is hand sanitizer available, I also use it when I’m exiting the store, and then I’ll use it again at home once I finished putting all my groceries away and returning my reusable shopping bags to the car.

I’m going to ask you to share this tweet thread. As the video MD said it’s not about popularity. In my case it’s about combating harmful misinformation that overestimates risk, or recommends risky practices to mitigate an already very small risk.

This has been Dr. Don… now signing off. Remember as always, stay home if you can, wash your hands and use hand sanitizer, and take care of those who need it most.

PS, thank to everyone for the Twitter/Facebook love. I’ll do my best to answer questions you have, but right now my days are filled with talking with reporters, and trying to achieve a one log reduction on the concentration of email messages in my inbox.

Keep an eye out for the kids!

After 15 years as a TV reporter with Global and CBC and as news director of RDTV in Red Deer, Duane set out on his own 2008 as a visual storyteller. During this period, he became fascinated with a burgeoning online world and how it could better serve local communities. This fascination led to Todayville, launched in 2016.

Follow Author

COVID-19

Why FDA Was Right To Say No To COVID-19 Vaccines For Healthy Kids

Published on

 

From the Daily Caller News Foundation

By Monique Yohanan

The FDA’s decision not to authorize COVID-19 vaccines for healthy children has drawn criticism. Some argue: If parents want the shot, why not let them get it for their kids? That argument misunderstands what FDA authorization means — and why it exists.

The FDA often approves drugs that carry risks or have imperfect evidence of effectiveness. This is a tradeoff we sometimes accept for people who are ill: when someone is already sick, the alternative is untreated disease. Vaccines are different. They are given to millions of healthy children. This requires a higher standard, not just evidence for safety and immune response, but clear, durable clinical effectiveness. Approval for optional use isn’t neutral; once the FDA authorizes a vaccine, it carries the full weight of institutional endorsement.

Measles provides an example for how the FDA approaches vaccine approvals. Before the measles vaccine was introduced in 1963, the U.S. saw 3 to 4 million infections, ~48,000 hospitalizations, ~1,000 cases of encephalitis, and 400-500 deaths each year. Infants bore the brunt of the most severe outcomes.

Dear Readers:

As a nonprofit, we are dependent on the generosity of our readers.

Please consider making a small donation of any amount here.

Thank you!

That created a natural instinct: why not vaccinate the youngest and most vulnerable? The initial measles rollout was to 9-month-olds, but within two years that timing was changed to children who were at least 1 year of age. This was not because younger babies were not at risk or that the vaccine was riskier for them, but because it just didn’t work well enough to justify a universal campaign.

The knowledge of the particular risk younger infants face has led to continued research on the effectiveness of measles vaccination in that group. A 2023 trial of the combined measles/mumps/rubella (MMR) vaccine in infants aged 5-7 months, and subsequent safety and immune studies in 2024 and 2025, produced consistent results—safety and the ability to generate antibodies were demonstrated, but a durable response and protection against hospitalization were not.

That is why the FDA does not approve MMR for routine use in healthy children younger than 12 months of age. It is also precisely why getting back to herd immunity for measles is so essential: the youngest infants can only be protected if the rest of us are immunized.

What’s the evidence for COVID-19 vaccination in infants and children? It generates robust antibodies, often higher than in adults. But clinical benefits are modestshort-lived, and inconsistent. It is nowhere near the level of proof U.S. regulators require before making a vaccine universally available to healthy kids.

Some argue that even if benefits are modest, parents and pediatricians should be free to choose. But FDA authorization is not about personal preference; it is a stamp of approval for more than 70 million healthy children. Statistical safety is not enough. At that scale, even rare risks mean real harm to real children. COVID-19 vaccines were originally authorized in the hope that immune responses would translate into population-level benefits. For healthy children, the initial optimism sparked by early encouraging signals has steadily given way to three years of disappointing clinical results.

The lessons from measles are clear: safe but minimally effective isn’t enough. We don’t authorize MMR for 5-month-olds, even to parents who might want their children to get it. COVID-19 vaccines for healthy children should be judged similarly. This is not because there is a lack of any benefit, but because it doesn’t rise to the level we use for other vaccines. Only if and when proof of clinical effectiveness becomes available should authorization be reconsidered. At this time, the FDA is right to say no.

Monique Yohanan, MD, MPH, is a senior fellow at Independent Women, a physician executive and healthcare innovation leader, and Chief Medical Officer at Adia Health.

Continue Reading

COVID-19

The Persecution of Canada’s “Other” Freedom Convoy Truckers

Published on

While thousands of serious criminal cases across Canada are dropped merely due to delays, many Convoy-related prosecutions on trivial charges continue more than three-and-a-half years later. The cases of Freedom Convoy truckers (left to right) Bern Bueckert, Clayton McAllister and Csaba Vizi (whose Volvo is shown at bottom) are still not fully resolved. (Sources of photos: (top left and right) screenshots from documentary Unacceptable?; (top middle) ThankYouTruckers.Substack; (bottom) Donna Laframboise)

By Donna Laframboise

On September 8, three and a half years after the 2022 Freedom Convoy departed Ottawa, and five long, stressful months after his trial actually ended, Robert Dinel walked out of court a free man.

Dinel, a Quebec heavy equipment operator who’d behaved entirely peacefully during the protest over Covid restrictions, had been charged with mischief and obstruction of police. Court proceedings were repeatedly delayed — four times alone just this year — until judge Matthew Webber of the Ontario Court of Justice finally stayed the charges on the grounds that Dinel’s Charter rights to a timely trial had been violated.

For Dinel, it was a relief. For Canadians concerned about freedom and justice, his legal ordeal was yet another example of a system gone off the rails.

Most Canadians are aware of the trials of convoy leaders Tamara Lich and Chris Barber, which ended in conviction; they are to be sentenced in October. Few may realize that many more protestors were charged, most for the relatively innocuous infraction of mischief, and have had their cases drag on and on through the courts for more than three years.

The record of Canada’s legal system clearly shows that mischief charges are routinely withdrawn before scarce and expensive court time is expended on relative trivialities. But when it comes to the truckers, the Crown attorneys at the Ottawa courthouse – employees of the Government of Ontario, not the federal government – appear to have lost all perspective. They are on a mission. The sheer intensity of the prosecution of Convoy members looks less like the fair administration of justice than revenge upon people who dared protest the arbitrary and oppressive measures of the Covid years.

The initial police crackdown itself was a mess. Those arrested were passed from police officer to police officer. Officials writing up the paperwork had no direct knowledge of what had actually transpired; extra charges appear to have been tacked on willy nilly. In Dinel’s case, the prosecution doesn’t even know the identity of the tactical officer who pointed a gun at his head and hauled him out of his vehicle on February 18, 2022.

In a police processing trailer four hours after his arrest, Dinel received a medical assessment from a paramedic. Seated and hand-cuffed throughout, the five-foot-three Dinel calmly and repeatedly told police he was in no fit state to be making decisions and that he wanted to speak to a lawyer. “I want to know what I’m signing,” he insisted. But the police officers, who outnumbered him ten-to-one, kept pushing him to sign an undertaking that he wouldn’t return to the protest area. The fact he never got his phone call – that he was denied his Charter right “to retain and instruct [legal] counsel without delay” – should have stopped this case in its tracks. The Crown chose to pursue it, anyway.

A week after Dinel’s mother died in July 2023, he suffered the first of four strokes. In December 2023, one occurred in the courtroom. “My whole face just seized up,” he recalls. “I had another stroke. My whole face drooped, then the judge freaked right out.” An ambulance was summoned and his trial was adjourned. “I hate court,” says Dinel. “It’s hard, you know. It’s stressful, it’s exhausting.” Rather than staying the charges on  compassionate grounds, the prosecution continued, with Dinel accompanied by a service dog.

Nova Scotia trucker Guy Meister spent hours in the same paddy wagon as Dinel the day they were arrested. After travelling from his Nova Scotia home to Ottawa for court appearances more than a dozen times – at considerable expense – in May of this year Meister was found guilty of mischief, but not of obstructing police. In late July, he was sentenced to 20 hours of community service, six months’ probation, and ordered to pay a $100 victim surcharge.

The trial for Windsor, Ontario trucker Csaba Vizi began just this month, the same day Robert Dinel’s charges were stayed. Video broadcast around the world in February 2022 shows him being assaulted by multiple police officers after he’d exited his truck and knelt down in the snow with his hands behind his head. None of those officers were themselves charged following this violence. None were forced to raise tens of thousands in lawyers’ fees, as Vizi has. Even protesters who have endured the stress of a trial and been acquitted have still not always walked free and clear, because the Crown has often insisted on filing appeals. As a result, defence lawyers routinely advise Freedom Convoy protesters that their legal nightmare isn’t actually over until an additional 30 days have come and gone. In one instance, the Crown waited until the last afternoon of the last permissible day to file its appeal.

These are just a few examples of what’s been going on in Canada’s justice system, one already beset by long delays for cases involving far more serious crimes. Credible news reports suggest that the majority of criminal cases in Ontario aren’t even making it to trial, with sexual assault
charges dropped because of delays. Yet the Convoy prosecutions continue.

Many people insist Covid is over, that we should all move on. But the legal persecution of the truckers who bravely protested government overreach in the bitter winter of early 2022 is far from over.

Donna Laframboise is an independent journalist and photographer. A former vice-president of the Canadian Civil Liberties Association, she is the author of Thank You, Truckers! Canada’s Heroes & Those Who Helped Them.

The original, full-length version of this article was recently published in C2C Journal.

Continue Reading

Trending

X