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How safe are Ontario’s shelters and other shared living settings from airborne COVID-19?

Because COVID-19 is airborne, we can’t know if the shelter system is as safe as it should be without seeing metrics related to ventilation, filtration and occupancy.

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Toronto Public Health’s tool kit for COVID-19 prevention in congregate living settings contains few references to ventilation, air filtration and other measures to prevent airborne transmission. THE CANADIAN PRESS/Cole Burston 

In a report that went to Toronto City Council in early June, the city manager listed the measures the city has taken to limit transmission of COVID-19 in shelters. The report does not, however, substantially address a suite of crucial infection prevention and control measures: those that improve indoor air quality.

Because COVID-19 is airborne, we can’t know if the shelter system is as safe as it should be without seeing metrics related to ventilation, filtration and occupancy.

Major medical journals such as the Lancet, the Journal of the American Medical Association and the Canadian Medical Association Journal emphasize the importance of addressing airborne transmission.

The Public Health Agency of Canada, the United States Centres for Disease Control and the World Health Organization (even though they were somewhat late to the game) acknowledge that COVID-19 spreads through the air, and point to ventilation and filtration as key mitigation strategies.

Unfortunately, Ontario’s public health advice for congregate settings (which include shelters, long-term care, group homes for people living with disabilities, and prisons) has yet to put airborne transmission front and centre.

For example, in May 2021, Toronto Public Health released a congregate settings “tool kit.” Its list of resources — many of which are from Public Health Ontario — contains few references to ventilation, filtration, upper-room germicidal ultraviolet light (UV) systems or even to airborne transmission.

Nighttime exterior of Toronto city hall
A commemorative ceremony was held outside Toronto City Hall on the Day of Remembrance for Lives Lost to COVID-19 on March 20, 2021. THE CANADIAN PRESS/Chris Young

The safety of Toronto shelters is in the spotlight right now. Last week, the city used police and private security to evict people living in Trinity Bellwoods Park. City officials stated that people were offered “safe indoor space.”

The following key questions can be used to establish the relative safety of shelters in terms of indoor air quality. They can also be applied to most if not all congregate living settings in Ontario.

Have the relevant public health and government authorities taken the following steps in congregate settings such as shelters, long-term care, groups homes and prisons:

  1. Worked with facilities to suggest room and building-specific occupancy rates that take into account key variables such as ventilation rate, room volume, type of activity in room and time spent in room?

  2. Helped facilities put in place safer practices around high risk spaces such as bathrooms, sleeping areas and dining rooms? For example — examining bathroom exhaust fans to make sure they are in good working order, venting to the outside and running continuously? And, where possible, airing out communal spaces between cohorts for a minimum of two hours?

  3. Helped facilities assess, maintain and, if needed, retrofit or replace HVAC systems? Has this work been completed? What mitigation measures have been put in place if the work is still in progress?

  4. Trained facilities staff in how to strategically place and safety use portable air filters?

  5. Supported facilities in installing upper-room germicidal UV systems and in-duct UV systems where appropriate?

Most importantly, has the above been done on an emergency basis? Long-term improvements are important, but COVID-19 is here now, and lives are at stake every day. There are many short-term improvements that can be made quickly and at low cost, for example, for facilities undergoing HVAC renovations that won’t be complete for months.

Opening windows and doors when it’s safe to do so may be a good place to start. In addition, many of the suggestions above — such as using high quality portable air filters, airing out rooms between cohorts and continuously running bathroom fans that exhaust to the outside — can be done right away.

An HVAC professional may also be able to make some quick improvements to air quality through measures such as upgrading the HVAC system’s filter, ensuring the system’s filter is properly sealed so no air escapes and ensuring the system brings in the maximum amount of outdoor air.

Improvements to indoor air quality can only be good. And not just in the context of COVID-19. When congregate settings such as shelters have the infrastructure and training they need to maintain acceptable indoor air quality, they will be better-equipped to deal with everything from flu season to tuberculosis, from chronic illnesses such as asthma to future pandemics.

Right now, it’s unclear what’s happening system-wide to improve indoor air quality in shelters. It is likely that some individual shelters have done all they can to mitigate airborne transmission. It is unlikely, however, that shelters system-wide are as safe as they could be. Until we have the right evidence around indoor air quality, it is important to stop declaring that the shelter system as a whole is safe.


Read more: Improving building ventilation can help us control the spread of COVID-19 during the winter months


More generally, across the province, the stakes couldn’t be higher. Thousands of people are living and working in congregate settings in Ontario. The science is clear. To compel people to work or live in facilities where evidence-based indoor air quality measures are not in place is to be responsible for preventable illness and death.

The good news is that concrete actions both small and large will make a difference. And many interim measures can be put in place quickly and at relatively low cost.

It is time for the Toronto Board of Health, Toronto City Council and other local health units and government authorities to take an urgent, well-resourced, systematic and system-wide approach to indoor air quality in congregate settings.

This article was also co-authored by Amy Katz, a Knowledge Translation Specialist working in the health-care system.

Jeffrey A. Siegel receives/has recently received funding from ASHRAE, NSERC, the Alfred P. Sloan Foundation, and NFRF. Jeffrey A. Siegel serves on technical committees and/or co-authored position documents for ASHRAE, ISIAQ, and the American Heart Association.

LLana James and Patricia O'Campo do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their academic appointment.

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Low Iron Levels In Blood Could Trigger Long COVID: Study

Low Iron Levels In Blood Could Trigger Long COVID: Study

Authored by Amie Dahnke via The Epoch Times (emphasis ours),

People with inadequate…

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Low Iron Levels In Blood Could Trigger Long COVID: Study

Authored by Amie Dahnke via The Epoch Times (emphasis ours),

People with inadequate iron levels in their blood due to a COVID-19 infection could be at greater risk of long COVID.

(Shutterstock)

A new study indicates that problems with iron levels in the bloodstream likely trigger chronic inflammation and other conditions associated with the post-COVID phenomenon. The findings, published on March 1 in Nature Immunology, could offer new ways to treat or prevent the condition.

Long COVID Patients Have Low Iron Levels

Researchers at the University of Cambridge pinpointed low iron as a potential link to long-COVID symptoms thanks to a study they initiated shortly after the start of the pandemic. They recruited people who tested positive for the virus to provide blood samples for analysis over a year, which allowed the researchers to look for post-infection changes in the blood. The researchers looked at 214 samples and found that 45 percent of patients reported symptoms of long COVID that lasted between three and 10 months.

In analyzing the blood samples, the research team noticed that people experiencing long COVID had low iron levels, contributing to anemia and low red blood cell production, just two weeks after they were diagnosed with COVID-19. This was true for patients regardless of age, sex, or the initial severity of their infection.

According to one of the study co-authors, the removal of iron from the bloodstream is a natural process and defense mechanism of the body.

But it can jeopardize a person’s recovery.

When the body has an infection, it responds by removing iron from the bloodstream. This protects us from potentially lethal bacteria that capture the iron in the bloodstream and grow rapidly. It’s an evolutionary response that redistributes iron in the body, and the blood plasma becomes an iron desert,” University of Oxford professor Hal Drakesmith said in a press release. “However, if this goes on for a long time, there is less iron for red blood cells, so oxygen is transported less efficiently affecting metabolism and energy production, and for white blood cells, which need iron to work properly. The protective mechanism ends up becoming a problem.”

The research team believes that consistently low iron levels could explain why individuals with long COVID continue to experience fatigue and difficulty exercising. As such, the researchers suggested iron supplementation to help regulate and prevent the often debilitating symptoms associated with long COVID.

It isn’t necessarily the case that individuals don’t have enough iron in their body, it’s just that it’s trapped in the wrong place,” Aimee Hanson, a postdoctoral researcher at the University of Cambridge who worked on the study, said in the press release. “What we need is a way to remobilize the iron and pull it back into the bloodstream, where it becomes more useful to the red blood cells.”

The research team pointed out that iron supplementation isn’t always straightforward. Achieving the right level of iron varies from person to person. Too much iron can cause stomach issues, ranging from constipation, nausea, and abdominal pain to gastritis and gastric lesions.

1 in 5 Still Affected by Long COVID

COVID-19 has affected nearly 40 percent of Americans, with one in five of those still suffering from symptoms of long COVID, according to the U.S. Centers for Disease Control and Prevention (CDC). Long COVID is marked by health issues that continue at least four weeks after an individual was initially diagnosed with COVID-19. Symptoms can last for days, weeks, months, or years and may include fatigue, cough or chest pain, headache, brain fog, depression or anxiety, digestive issues, and joint or muscle pain.

Tyler Durden Sat, 03/09/2024 - 12:50

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Walmart joins Costco in sharing key pricing news

The massive retailers have both shared information that some retailers keep very close to the vest.

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As we head toward a presidential election, the presumed candidates for both parties will look for issues that rally undecided voters. 

The economy will be a key issue, with Democrats pointing to job creation and lowering prices while Republicans will cite the layoffs at Big Tech companies, high housing prices, and of course, sticky inflation.

The covid pandemic created a perfect storm for inflation and higher prices. It became harder to get many items because people getting sick slowed down, or even stopped, production at some factories.

Related: Popular mall retailer shuts down abruptly after bankruptcy filing

It was also a period where demand increased while shipping, trucking and delivery systems were all strained or thrown out of whack. The combination led to product shortages and higher prices.

You might have gone to the grocery store and not been able to buy your favorite paper towel brand or find toilet paper at all. That happened partly because of the supply chain and partly due to increased demand, but at the end of the day, it led to higher prices, which some consumers blamed on President Joe Biden's administration.

Biden, of course, was blamed for the price increases, but as inflation has dropped and grocery prices have fallen, few companies have been up front about it. That's probably not a political choice in most cases. Instead, some companies have chosen to lower prices more slowly than they raised them.

However, two major retailers, Walmart (WMT) and Costco, have been very honest about inflation. Walmart Chief Executive Doug McMillon's most recent comments validate what Biden's administration has been saying about the state of the economy. And they contrast with the economic picture being painted by Republicans who support their presumptive nominee, Donald Trump.

Walmart has seen inflation drop in many key areas.

Image source: Joe Raedle/Getty Images

Walmart sees lower prices

McMillon does not talk about lower prices to make a political statement. He's communicating with customers and potential customers through the analysts who cover the company's quarterly-earnings calls.

During Walmart's fiscal-fourth-quarter-earnings call, McMillon was clear that prices are going down.

"I'm excited about the omnichannel net promoter score trends the team is driving. Across countries, we continue to see a customer that's resilient but looking for value. As always, we're working hard to deliver that for them, including through our rollbacks on food pricing in Walmart U.S. Those were up significantly in Q4 versus last year, following a big increase in Q3," he said.

He was specific about where the chain has seen prices go down.

"Our general merchandise prices are lower than a year ago and even two years ago in some categories, which means our customers are finding value in areas like apparel and hard lines," he said. "In food, prices are lower than a year ago in places like eggs, apples, and deli snacks, but higher in other places like asparagus and blackberries."

McMillon said that in other areas prices were still up but have been falling.

"Dry grocery and consumables categories like paper goods and cleaning supplies are up mid-single digits versus last year and high teens versus two years ago. Private-brand penetration is up in many of the countries where we operate, including the United States," he said.

Costco sees almost no inflation impact

McMillon avoided the word inflation in his comments. Costco  (COST)  Chief Financial Officer Richard Galanti, who steps down on March 15, has been very transparent on the topic.

The CFO commented on inflation during his company's fiscal-first-quarter-earnings call.

"Most recently, in the last fourth-quarter discussion, we had estimated that year-over-year inflation was in the 1% to 2% range. Our estimate for the quarter just ended, that inflation was in the 0% to 1% range," he said.

Galanti made clear that inflation (and even deflation) varied by category.

"A bigger deflation in some big and bulky items like furniture sets due to lower freight costs year over year, as well as on things like domestics, bulky lower-priced items, again, where the freight cost is significant. Some deflationary items were as much as 20% to 30% and, again, mostly freight-related," he added.

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Walmart has really good news for shoppers (and Joe Biden)

The giant retailer joins Costco in making a statement that has political overtones, even if that’s not the intent.

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As we head toward a presidential election, the presumed candidates for both parties will look for issues that rally undecided voters. 

The economy will be a key issue, with Democrats pointing to job creation and lowering prices while Republicans will cite the layoffs at Big Tech companies, high housing prices, and of course, sticky inflation.

The covid pandemic created a perfect storm for inflation and higher prices. It became harder to get many items because people getting sick slowed down, or even stopped, production at some factories.

Related: Popular mall retailer shuts down abruptly after bankruptcy filing

It was also a period where demand increased while shipping, trucking and delivery systems were all strained or thrown out of whack. The combination led to product shortages and higher prices.

You might have gone to the grocery store and not been able to buy your favorite paper towel brand or find toilet paper at all. That happened partly because of the supply chain and partly due to increased demand, but at the end of the day, it led to higher prices, which some consumers blamed on President Joe Biden's administration.

Biden, of course, was blamed for the price increases, but as inflation has dropped and grocery prices have fallen, few companies have been up front about it. That's probably not a political choice in most cases. Instead, some companies have chosen to lower prices more slowly than they raised them.

However, two major retailers, Walmart (WMT) and Costco, have been very honest about inflation. Walmart Chief Executive Doug McMillon's most recent comments validate what Biden's administration has been saying about the state of the economy. And they contrast with the economic picture being painted by Republicans who support their presumptive nominee, Donald Trump.

Walmart has seen inflation drop in many key areas.

Image source: Joe Raedle/Getty Images

Walmart sees lower prices

McMillon does not talk about lower prices to make a political statement. He's communicating with customers and potential customers through the analysts who cover the company's quarterly-earnings calls.

During Walmart's fiscal-fourth-quarter-earnings call, McMillon was clear that prices are going down.

"I'm excited about the omnichannel net promoter score trends the team is driving. Across countries, we continue to see a customer that's resilient but looking for value. As always, we're working hard to deliver that for them, including through our rollbacks on food pricing in Walmart U.S. Those were up significantly in Q4 versus last year, following a big increase in Q3," he said.

He was specific about where the chain has seen prices go down.

"Our general merchandise prices are lower than a year ago and even two years ago in some categories, which means our customers are finding value in areas like apparel and hard lines," he said. "In food, prices are lower than a year ago in places like eggs, apples, and deli snacks, but higher in other places like asparagus and blackberries."

McMillon said that in other areas prices were still up but have been falling.

"Dry grocery and consumables categories like paper goods and cleaning supplies are up mid-single digits versus last year and high teens versus two years ago. Private-brand penetration is up in many of the countries where we operate, including the United States," he said.

Costco sees almost no inflation impact

McMillon avoided the word inflation in his comments. Costco  (COST)  Chief Financial Officer Richard Galanti, who steps down on March 15, has been very transparent on the topic.

The CFO commented on inflation during his company's fiscal-first-quarter-earnings call.

"Most recently, in the last fourth-quarter discussion, we had estimated that year-over-year inflation was in the 1% to 2% range. Our estimate for the quarter just ended, that inflation was in the 0% to 1% range," he said.

Galanti made clear that inflation (and even deflation) varied by category.

"A bigger deflation in some big and bulky items like furniture sets due to lower freight costs year over year, as well as on things like domestics, bulky lower-priced items, again, where the freight cost is significant. Some deflationary items were as much as 20% to 30% and, again, mostly freight-related," he added.

Read More

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