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The right way to Reopen Places of work Safely

How to Reopen Offices Safely

Many American offices have been virtually empty for the past 15 months. Conference rooms and cubicles remained unused, elevators not called, files untouched. Whiteboards became time capsules. Succulents had to take care of themselves.

But many of these jobs will slowly come back to life in the coming weeks. According to a recent poll by the Partnership for New York City, around half of the million office workers in Manhattan are expected to return to their desks at least part-time by September.

Although the risk of contracting Covid-19 in the United States has decreased significantly – especially for those who are fully vaccinated – it has not completely gone and many workers remain nervous about going back to their desks. (Many others, of course, never had the luxury of working remotely.)

“If you’re still feeling uncomfortable or anxious, that’s totally understandable,” said Joseph Allen, a healthy building expert who teaches at Harvard TH Chan School of Public Health. “This pandemic has had a profound impact on all of us, and people will be ready to go back to life or interact with people at other times.”

But scientists have learned a lot about the virus over the past year, and there are some clear, evidence-based steps employers can take to protect their workers – and workers can take to protect themselves. Some of these strategies are likely to pay dividends that will last out of the current crisis.

“I think it’s important for us as a community, but also for individual employers, to think about these questions for more than just this week and this month,” said Alex Huffman, an aerosol scientist at the University of Denver. “How do we make decisions now that will continue to benefit the safety and health of our workplaces in the future?”

Although Covid-19 is the number one health problem, long-term building closures can pose their own risks. For example, unused sanitary systems can be colonized by Legionella pneumophila, bacteria that can cause a type of pneumonia known as Legionnaires’ disease.

“Long periods of standing, lukewarm water in pipes – the exact conditions in many understaffed buildings currently – create ideal conditions for the growth of Legionella,” said Dr. All.

Some schools have already reported that they found the bacteria in their water. In buildings with lead pipes or fittings, high amounts of the toxic metal can also accumulate in standing water. Employers can reduce both risks by flushing their faucets thoroughly or turning the water on and running before opening it again.

“We know that flushing water during periods of inactivity usually reduces lead levels and also reduces potential bacteria that can build up,” said Jennifer Hoponick Redmon, senior environmental health scientist at RTI International, a North Carolina-based nonprofit research organization. She added, “A general rule of thumb is 15 minutes to an hour of flushing for long-term closings, such as for Covid-19.”

The Centers for Disease Control and Prevention also recommend companies test for mold and pest infestation before reopening.

Since the coronavirus is believed to spread primarily through tiny airborne droplets, employers should upgrade their ventilation and filtration systems before bringing workers back, experts said.

“One thing you can do before going back to work is just ask them what they did,” said Dr. All. “And when you hear things like, ‘Yes, we hit code,’ it is an indication that something is wrong. They should exceed the minimum ventilation and filtration rates. “

In general, while the ideal rate of ventilation varies, employers should maximize the amount of fresh air that gets in from the outside, he said. In a relatively small room – about the size of a typical school classroom – employers should aim for four to six air changes per hour, which means that the air in the room is completely renewed every 10 to 15 minutes. Opening windows can also improve airflow.

Good quality air filters, such as those rated MERV 13 or higher, can trap a majority of the virus particles in the air. Some commercial buildings are not equipped for these high-performance filters; In these offices, portable air purifiers equipped with HEPA filters can be effective, experts said.

Updated

June 11, 2021, 10:35 a.m. ET

“These types of portable units are great at removing particles from space,” said Dr. Huffman. “And the next level is even a desktop-level HEPA filter where you have a really small unit that delivers clean air into your direct breathing zone.”

These personal units can be particularly useful in poorly ventilated offices, although experts stressed that it is employers, not employees, that should be responsible for improving indoor air quality.

While ventilation and filtration are critical, employers and property managers should stay away from fog machines, fumigators, ionizers, ozone generators, or any other “air cleaning device” that promises to neutralize the coronavirus by adding chemical disinfectants to the air. “These are all really terrible ideas about what to do with indoor air,” said Delphine Farmer, an atmospheric chemist at Colorado State University.

The compounds these products emit – which can include hydrogen peroxide, bleach-like solutions, or ozone – can be toxic, inflame the lungs, cause asthma attacks, and lead to other types of respiratory or cardiovascular problems. And there’s no rigorous, real-world evidence that these devices actually reduce disease transmission, said Dr. Farmer.

“A lot of employers now think – and school districts and property managers – think that using these devices they solved the problem,” said Dr. Farmer. “So then they don’t increase the ventilation rates or add other filters. And that means that people think they are safer than they actually are. “

Surfaces pose a minimal risk of coronavirus transmission, and unnecessarily applied disinfectants can also get into the air and be toxic if inhaled. In most normal workplaces, wiping the desk with bleach is likely to do more harm than good, said Dr. Farmer. (According to experts, some specific workplaces – such as hospitals, laboratories, or commercial kitchens – may still require disinfection.)

There is also no particular need for special antimicrobial wipes or detergents that can encourage the emergence of antibiotic-resistant bacteria and wipe out communities of benign or beneficial microbes. “As tempting as it is to sterilize everything, it will never happen and the consequences can be serious,” said Erica Hartmann, an environmental microbiologist at Northwestern University.

In the first few months of the pandemic, plastic barriers emerged in schools, shops, restaurants, offices, and other common areas. “They can be great for stopping the bigger droplets – they’re really big sneezers,” said Dr. Huffman.

But the smallest and lightest particles can simply float above and around them. These barriers “may not offer enough advantages to justify their costs,” said Martin Bazant, a chemical engineer at the Massachusetts Institute of Technology. They can even increase the risk of disease transmission by encouraging riskier behavior or obstructing airflow.

There are some environments where these types of barriers can still be useful. “It can be a really good idea for people who otherwise have very close personal contact, such as grocery store clerks at the cash register,” said Dr. Farmer. “But beyond that, in offices where you sit for a long time, there is no advantage in being in a plexiglass cage.”

Social distancing can still have some benefits; When an employee exhales infectious viruses, people sitting directly in that person’s breathing zone are likely to be exposed to the highest doses. “If you are sitting at a common table half a meter away from someone, there could be potential value in moving a little further away,” said Dr. Huffman.

But aerosols can stay in the air for hours and travel well over six feet, so moving desks further apart is likely to have diminishing returns. “Strict distancing orders like the six-foot rule protect little against long-distance aerial transmissions,” said Dr. Bazant, “and can convey a false sense of security in poorly ventilated rooms.”

In offices where most people are vaccinated and local case numbers are low, the benefits of distancing are likely to be minimal, scientists said. In higher-risk workplaces, de-compression should be considered or the number of people present at the same time – any of whom could be infectious – should be reduced. “For me, that was the biggest benefit of this indoor social distancing,” said Dr. Farmer. “There are just fewer potential sources of SARS-CoV-2 in a room.”

Organizations could allow a subset of employees to work from home indefinitely or on alternate days or weeks. You could also consider “cohorting” or creating separate teams of employees who do not have face-to-face interactions with those who are not on their team.

The formation of such cohorts could also facilitate the response if someone becomes infected with the virus, so that the affected team can be quarantined without having to close an entire workplace. “When thinking about reopening, do we have to think about what to do when we inevitably see a case?” said Justin Lessler, an infectious disease epidemiologist at Johns Hopkins University. “There are creative ways to reduce the impact.”

Regular hand washing, which can reduce the spread of all types of pathogens, is always a good idea. “The message at the beginning of the pandemic to wash your hands and wash your hands for at least 20 seconds – that is absolutely valid and still very important,” said Dr. Hartmann.

And if the office needs to be cleaned yourself, a mild detergent is usually enough, she adds, “Soap and water are great.”

Masks also remain effective. “If you are someone who has been vaccinated and is still afraid of going back to work, it is best to keep wearing a mask for the first few weeks until you feel more comfortable,” said Dr. All.

Scientists recommended that unvaccinated workers continue to wear masks in the office. But for those eligible, the most effective risk reduction strategy is obvious, said Dr. Allen: “Number one is to get vaccinated.”

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Health

How one can Rejoice the Spring Holidays Safely With Your Household

How to Celebrate the Spring Holidays Safely With Your Family

Suppose there are two healthy families of four. If the children are not vaccinated in any household but all the adults are vaccinated, you can consider inviting people out while the windows are open and everyone is wearing masks, said Dr. Asaf Bitton, a family doctor who runs a public health research laboratory at Brigham and Women’s Hospital in Boston. If the children were not vaccinated in any household and only a group of adults were vaccinated, he and other experts said meeting outdoors with masks and distancing would be safest.

You may also be wondering if your unvaccinated kids can finally get a hug and kiss from their healthy, vaccinated grandma. Experts differed on this issue. But in general, a hug or kiss is probably okay if everyone is healthy and you want to take some risk.

“The likelihood that my child will transmit a virus that will cause serious illnesses to my vaccinated parents is very, very small,” said Dr. Barocas.

It is also unlikely that a vaccinated adult will transmit the virus to a child. However, the experts advised doing what feels right for you and your family.

“I think anyone attending this visit needs to understand that we are balancing risks and benefits,” said Dr. Adam Ratner, director of the Department of Pediatric Infectious Diseases at NYU Langone’s Hassenfeld Children’s Hospital. But, he added, when the grandparents are vaccinated, “I hug and kiss.”

Jennifer Rogers, 46, a Philadelphia lawyer, said her husband and two children, 8 and 11, will celebrate Easter by visiting their parents’ home for several hours. You are planning an outdoor Easter egg hunt and you hit a piñata shaped like a coronavirus. But the children to whom Mrs. Rogers’ sister and her sister’s son will come will all wear masks. Ms. Rogers and her husband are both vaccinated, but they plan to wear masks as well, as their family will recently have returned from a vacation in Florida.

“It still feels like a loss, like it’s not the same as it used to be,” said Ms. Rogers, whose family usually stays with their parents during the holidays.

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Health

A New Research Suggests College students Can Be Simply Three Toes Aside Safely

A New Study Suggests Students Can Be Just 3 Feet Apart Safely

School closings have been a contentious issue since the pandemic broke out, and a new study has sparked debate over the 6-foot rule of social distancing and whether it can be relaxed in the classroom, which would make it easier for children to get to school .

The new study, published in the journal Clinical Infectious Diseases last week, suggests that public schools may be safe to reopen for personal instruction as long as children are three feet apart and other mitigation measures such as carrying Masks are respected.

Jill Biden and members of her husband’s administration embarked on a concerted campaign for the safe reopening of schools as parents and educators grew increasingly frustrated with recurring politics from district to district.

When asked about Jake Tapper’s new report on CNN’s State of the Union program on Sunday, Dr. Anthony S. Fauci, the country’s leading infectious disease expert, admits that the study appears to be three feet long enough to contain transmission of the virus.

The Centers for Disease Control and Prevention have not yet issued official guidelines on shortening the recommended six-foot rule, although Dr. Fauci said the agency is investigating the data.

“What the CDC wants to do is collect data, and when data shows you are three feet tall, they will act accordingly,” said Dr. Fauci. He added that the agency’s director, Dr. Rochelle Walensky, was informed about the new research results and that the CDC is also carrying out its own studies. “I don’t want to be ahead of the official guidelines,” he said.

Updated

March 14, 2021, 6:19 p.m. ET

While the CDC’s advice remains at six feet of social distancing between students, the World Health Organization has recommended one meter or 3.3 feet of distancing, and the study found the latter was enough to limit school-related cases. The CDC recommendations call for six feet of social distancing in schools in counties with high Covid transmission rates. CDC officials could not be reached for comment on Sunday.

Some experts have suggested that toning down on social distancing recommendations could be an important step in getting kids back into the classroom. Dr. Ashish Jha, dean of Brown University School of Public Health, suggested in a tweet that the CDC guidelines may change and that is “good. Because 6 feet doesn’t protect teachers. But it keeps kids out of school. “

“Do you want to open schools safely? Masks. Ventilation. Testing. Vaccination of teachers / staff. That’s the list, ”tweeted Dr. Yeh.

The new study, published March 10, compared the incidence rates of coronavirus cases among students and staff in Massachusetts school districts that required at least two meters of separation with those that required only three meters of separation, and found no statistically significant differences in infection rates among employees or students.

Class disturbed

Updated March 9, 2021

The latest on how the pandemic is changing education.

The researchers, who controlled community rates of coronavirus in their analysis, concluded that guidelines for less physical distancing in schools can be safely applied as long as other measures, such as universal masking, are in place.

The study’s authors looked at the incidence of coronavirus infections among staff and students in approximately 242 school districts in Massachusetts with varying in-person tuition from September 24 to January 27, 2021.

Children are less likely to need to be hospitalized when infected with the coronavirus, and children under the age of 10 are less likely to be infected than teenagers. The actual incidence of infections may not be known, however, as children and adolescents are far less likely to develop serious illnesses than adults and are less likely to be tested.

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Health

The way to Stroll Safely within the Snow, Ice and Slush

How to Walk Safely in the Snow, Ice and Slush

This has been an extremely challenging winter, especially for people like me in the top decades who struggled not only with pandemic loneliness and limitations, but also with snow-covered roads and ice-covered sidewalks.

I take my little dog to the park every morning for his run on a leash and often had to rely on the friendliness of strangers to navigate ice-glazed trails so I could return home in one piece.

I don’t so silently curse the neighbors who took it to their retreats for the winter in Covid without making sure their sidewalks are shoveled when it snows, which it did with particular vengeance in New York City this February.

Many in my neighborhood who shoveled only created a narrow path for hikers and could not clear the snow from the inner part of the sidewalk, where part of it regularly melted during the day and re-frozen at night, leaving a piece of black ice for pedestrians in the morning to slip and fall. An older friend who lives alone landed on one of those icy spots and broke her wrist, a challenging injury, but at least her hips and head remained intact.

It’s not that I don’t know how to walk on icy surfaces. I review the guidelines every winter thinking I was well equipped, but last year’s relatively mild winter may have left me feeling complacent and not paying enough attention to what to put on my feet. I changed my boots three times the other day without finding a pair that could reliably hold me upright over snowy, muddy, and icy terrain, even though they all supposedly have good rubber treads.

Maybe I should have consulted the Farmer’s Almanac for 2021. Had I foreseen how bad it could get, I might have reviewed the lab-tested advice of a research team at the Kite Toronto Rehabilitation Institute-UHN about the best non-slip shoes. It would have alerted me that none of the boots in my closet are really good, especially for someone my age exposed to the conditions I encountered on the streets of Brooklyn and Prospect Park this winter.

With the aim of keeping Canadian bones intact through long, icy winters, the team, led by Geoff Fernie, Professor of Biomedical Engineering at the University of Toronto, tested 98 different types of winter boots, both for work and use, in 2016 also for leisure, and found that only 8 percent of them met the laboratory’s minimum standard of slip resistance.

Using the so-called Maximum Achievable Angle test method, the team evaluated the slip resistance of shoes in a simulated winter indoor laboratory with an icy floor that can be inclined at increasing angles. While they are fastened to a harness to prevent a real fall when slipping, the participants run uphill and downhill on the ramp in the tested shoes over bare ice or melting ice. Shoes that prevent slipping when the ramp is set at an angle of at least seven degrees receive a single snowflake rating. Two snowflakes are awarded for slip resistance at 11 degrees and three snowflakes for 15 degrees. But 90 styles of shoes that were originally tested through 2016 didn’t get snowflakes, and none got more than one snowflake.

In the past few years, things have improved. 65 percent of the boots tested in 2019 received at least one snowflake, said Dr. Fernie in an interview. The latest reviews, which are constantly updated, can be found online at ratemytreads.com.

He explained that two types of outsole, Arctic Grip and Green Diamond, offer the best traction on ice. Green Diamond acts like rough sandpaper with hard sand in the rubber sole, which works best on cold hard ice. Arctic Grip soles contain microscopic glass fibers that point downwards to provide a firm footing on wet ice. You may find some brands that use both technologies in the same sole for protection on both hard and wet ice.

Unfortunately, I’ve tried too late in the current snow and ice season to find a pair my size, one of the top rated boots that Dr. Fernie’s lab has tested. So, for the time being, I have to rely on the Yaktrax clamps I bought years ago and try to get them onto my existing shoes.

Fogging up properly or not, knowing how to safely walk on snowy and icy surfaces is worth it.

My # 1 rule: never go out without a properly charged cell phone, especially when you are alone. Take it slow and use handrails on steps when available. If there’s nothing to hold on to on slippery steps, go sideways.

Walk like a duck or a penguin. The attitude is far from glamorous, but it could help keep you out of the emergency room. Extend your arms to the side to improve balance. Keep your hands out of your pockets; You may need them to prevent a possible fall. And wear gloves!

Bend forward a little from your knees and hips to lower your center of gravity and keep it aligned over your front leg as you walk. With your legs apart, slightly twist your feet outward and take short, flat steps. Or if that is not possible, mix at an angle from side to side to move forward without lifting your feet.

Pay attention to your surroundings and look ahead as you walk to avoid tripping hazards. If you are using a stick, secure the end with an ice pick made for this purpose. An ordinary rubber-tipped stick is not much better on ice than slippery shoes.

Avoid heavy packages that can throw you off balance. I use a backpack to carry small items or when I buy something larger I use a shopping cart.

And know how to fall to minimize the risk of serious injury. When you start to fall backwards, quickly tuck your chin against your chest to avoid hitting your head and straighten your arms away from your body so that your forearms and palms, not your wrists and elbows, hit the ground.

If you fall forward, try to roll to the side on landing so that a forearm, not your hand, hits the ground first.

Getting up from an icy surface can also be a challenge. If you are not injured, turn on your hands and knees. With your feet shoulder width apart, place one foot between your hands, then bring the other foot between them and try to push yourself up.

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CDC director says faculties can safely reopen with out vaccinating lecturers

Biden's incoming CDC director says Trump administration 'muzzled' scientists

Rochelle Walensky, who was nominated as director of the Centers for Disease Control and Prevention, speaks after U.S. President-elect Joe Biden started his team dealing with the Covid-19 on December 8 at The Queen in Wilmington, Delaware. Pandemic commissioned, 2020.

Jim Watson | AFP | Getty Images

Teachers don’t have to get Covid-19 vaccinations before schools can safely reopen, the head of the Centers for Disease Control and Prevention said Wednesday.

“There is mounting data to suggest schools can be reopened safely and that reopening safely does not mean teachers need to be vaccinated,” CDC Director Rochelle Walensky told reporters during a White House press conference on Covid-19.

“Teacher vaccinations are not a requirement for schools to reopen safely,” she added.

The CDC Advisory Committee on Immunization Practices voted for “key frontline workers”, including teachers, to have their turn to receive a Covid-19 vaccine after prioritizing healthcare workers and residents of long-term care facilities were. However, it can take a while for most teachers to get their recordings as US officials work to speed up the pace of vaccinations.

Even so, school systems in the US have been under pressure to reopen after switching to distance learning last year due to the coronavirus pandemic that infected more than 26.4 million Americans and killed at least 447,077 people in just over a year had.

Some parents had to stay home to watch their children instead of going to work. Meanwhile, teachers and other faculties have raised concerns about return to school that could potentially endanger their health.

A study by the CDC released late last month found little evidence of the virus spreading to schools in the US and abroad when precautions were taken, such as wearing masks, social distancing, and ventilation rooms.

The Biden government has released a bailout plan for Covid that includes $ 170 billion to reopen schools and universities. Some of the money would be used to scale tests. The government has stated that testing is a “critical” strategy for controlling the spread of the virus, but added testing is still not widely used and the US is still not effectively using the tests it has.

Walensky previously said schools should be the first to open and the last to close in the pandemic.

Jeff Zients, President Joe Biden’s Covid-19 tsar, said Wednesday that Biden was “very clear” that he would like schools to “reopen and stay open”.

“That means every school has the equipment and resources to open safely,” he said during the press conference, calling on Congress to “do its part” by approving Biden’s Covid rescue plan. “Not just private schools or schools in affluent areas, but all schools.”

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Pregnant Girls Might Obtain Covid Vaccines Safely, W.H.O. Says

Pregnant Women May Receive Covid Vaccines Safely, W.H.O. Says

The World Health Organization on Friday changed its guidelines for pregnant women considering a Covid-19 vaccine and abandoned opposition to immunization for most expectant mothers unless they were at high risk.

The change came after an outcry from WHO’s previous stance that the organization “did not recommend vaccinating pregnant women with the vaccines manufactured by Pfizer-BioNTech and Moderna”.

Several experts expressed their disappointment with the WHO’s earlier position on Thursday. The experts found that this was inconsistent with the guidelines of the U.S. Centers for Disease Control and Prevention on the same topic and would confuse pregnant women who are looking for clear advice.

The vaccines manufactured by Pfizer-BioNTech and Moderna have not been tested on pregnant women, but have not shown any harmful effects in animal studies. According to experts, the technology used in the vaccines is generally known to be safe.

The WHO’s new wording reflects this information:

“Based on what we know about this type of vaccine, we have no particular reason to believe that there are any specific risks that would outweigh the benefits of vaccination for pregnant women.” The recommendation is now closely aligned with the position of the CDC.

Experts praised the postponement and welcomed the agreement between the world’s leading public health organizations on this important issue.

“I was very pleased to see that WHO has changed its guidelines for offering the Covid-19 vaccine to pregnant women,” said Dr. Denise Jamieson, an obstetrician at Emory University and a member of the Covid Expert Group at the American College of Obstetrics and Gynecology. The association was among the many women’s health organizations that urged Pfizer and Moderna to speed up vaccine testing in pregnant women.

“The WHO’s more permissive language is an important opportunity for pregnant women to get vaccinated and protect themselves from the serious risks of Covid-19,” said Dr. Jamieson. “This impressively rapid overhaul by WHO is good news for pregnant women and their babies.”

Pregnant women have traditionally been excluded from clinical trials, so there is a lack of scientific data on the safety of drugs and vaccines in women and their unborn children. Vaccines are generally considered safe, and pregnant women have been encouraged to get immunized against influenza and other diseases since the 1960s, even though rigorous clinical studies have not been conducted to test them.

Pfizer will test its vaccine in pregnant women over the next few months, according to a company spokeswoman. And Moderna plans to set up a registry to monitor side effects in women who have been immunized with the vaccine.