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When can we stop wearing masks?

When can we stop wearing masks?
When can we stop wearing masks?

اخبارالعرب 24-كندا:الثلاثاء 4 مايو 2021 04:14 صباحاً South of the border, Americans got a new directive from their president last week.

"Starting today, if you're fully vaccinated, and you're outdoors … and not in a big crowd, you no longer need to wear a mask," President Joe Biden said on April 27.

While it still recommends masks indoors, the U.S. Centers for Disease Control and Prevention (CDC) now says fully vaccinated Americans can ditch masks when dining outdoors with friends from multiple households and even while attending small outdoor gatherings with vaccinated and unvaccinated people. 

More than half of U.S. adults have had at least one dose of a COVID-19 vaccine, and about 40 per cent were fully vaccinated as of Monday, according to the CDC. 

With Canada's vaccination campaign ramping up, especially this month with millions of doses set to arrive, people are wondering — when is it our turn to loosen up on masks?

"The discussion about masks is going to depend on the level of vaccinations," said Doug Manuel, a senior scientist with The Ottawa Hospital who does modelling of local COVID-19 numbers.

WATCH | Lower case numbers likely in the fall, scientist says:

Doug Manuel, senior scientist at The Ottawa Hospital, says the level of COVID-19 transmission in the community will have to be much lower before the masks come off — and those low case numbers likely won’t happen until the fall. 0:55

"The key to no masks is a low likelihood of transmission in the community, and the key to that will be the level of vaccination." 

Herd immunity could be reached, he says, if around 70 to 80 per cent of people are vaccinated, at which point public health restrictions can be relaxed. "We could wear masks below that and still have lower levels of transmission," he said. 

"As we get good control, then we'll start potentially taking down [restrictions] and making decisions — do we want to get back in restaurants before we take off masks?" 

About a third of Canadians had received at least one dose of vaccine by Monday. The models for Ontario suggest vaccinations won't bring down the case numbers until late August and September — "under good scenarios," said Manuel. 

"In Ottawa, it could be a bit earlier," he said, though Ottawa city council recently extended its mandatory mask rule for indoor public areas until Aug. 26.

Normal in Asia 

Wearing masks in public has been normal for decades in countries like South Korea and China, according to Tina Park, a fellow at Carleton University's Norman Paterson School of International Affairs who specializes in the two Koreas and Canadian foreign policy.

"It's been in place long before COVID-19 broke out," said Park.

She says South Korea's experience with Middle East Respiratory Syndrome and fine dust that blows in seasonally from Mongolia and China have contributed to greater public mask use. 

"It's seen as a civic duty to make sure you do your part in promoting public health regardless of what your personal feelings may be."

She says she believes trends are pointing to masks becoming normalized in Canada, at least for some time.

"For those who are at risk, for those who feel more comfortable wearing masks than not, I think they will opt to wear masks [out of] fear until COVID is no longer a thing," she said.

Canada's Chief Medical Officer of Health Dr. Theresa Tam said recently the most restrictive public health measures — like business closures — could be gradually lifted this summer as more people receive their first dose of a vaccine. But Tam has also said vaccines won't be the end of masks.

"These models give us hope, illustrating that there is a safe way to lift most restrictive public health measures," she said on April 23.

Ontario's Ministry of Health did not directly answer CBC News's questions, but referred to a recent quote from Chief Medical Officer of Health Dr. David Williams, who at a news conference last week noted the population is not yet even 40 per cent vaccinated.   

"Once we get to a certain level, we'll be communicating accordingly," said Williams.

Ottawa Public Health says it will follow provincial and federal guidance on masks. 


What questions are on your mind as vaccination campaigns pick up across Canada? CBC Ottawa is answering one a day this week. 

Monday: When can we start travelling overseas again?

تم ادراج الخبر والعهده على المصدر، الرجاء الكتابة الينا لاي توضبح - برجاء اخبارنا بريديا عن خروقات لحقوق النشر للغير

السابق Entire island in B.C. gets vaccinated for COVID-19
التالى Women's curling worlds on hold after COVID-19 cases found amongst broadcast crew

 
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