TORONTO — The number of Canadian adults infected with COVID-19 tripled during the fifth wave of the pandemic compared with the total number of adults infected in the previous four waves, according to a new study led by Toronto researchers.
More than 5,000 Canadian adults — members of the Angus Reid Forum, a public polling cohort — participated in the fourth phase of the Action to Beat Coronavirus (Ab-C) study. The findings of the study were published as a letter to the editor in The New England Journal of Medicine Wednesday.
The adult participants took a self-administered dried blood spot test between Jan. 15 and March 15, 2022 and sent the blood samples back to the researchers for analysis. The research team then tested the samples for antibodies related to COVID-19.
From those results, the researchers found nearly 30 per cent of Canadian adults were infected during the first Omicron wave of infections compared with roughly 10 per cent who had been infected in the previous four waves.
Of those fifth waveinfections, one million were among the country’s 2.3 million unvaccinated adult population — representing 40 per cent of all unvaccinated adults, the study notes.
Patrick Brown, a lead author of the Ab-C study and biostatistician at the Centre for Global Health Research at St. Michael’s Hospital, said the study is meant to portray a “complete and representative picture” of COVID-19 in the country in the absence of widespread PCR testing and COVID-19 data tracking.
“This is quite important for us to be able to understand COVID in the population,” he said in a phone interview Wednesday.
“The testing data is incomplete and we’ve essentially stopped PCR testing for the most part in Canada, or in Ontario, at least, so having a representative sample of people who receive these test kits is very important to figure out how much COVID there has been and how much immunity we have in the population.”
The study also found that antibody levels were much lower amongst adults with only two doses of a COVID-19 vaccine compared to those with three doses, meaning those with three doses had stronger immunity in the face of the virus.
And amongst the unvaccinated population — including those who had a COVID-19 infection — their antibody levels were “quite” lower than people with three doses of the vaccine, Brown noted.
“(In) Canada, we had quite a bit less COVID-19 than some other countries, especially the U.S. We have less natural protection and we’re really relying on vaccines in Canada to build up immunity in our population,” he said.
“Certainly three doses plus an infection was the maximum protection, but three doses of vaccine certainly gave a very good amount of protection — a big improvement over two doses alone.”
The Ab-C study is a collaboration between Unity Health Toronto, the University of Toronto’s Dalla Lana School of Public Health, the Angus Reid Institute and the Lunenfeld-Tanenbaum Research Institute at Sinai Health. It’s funded by the federal government through its COVID-19 Immunity Task Force.
The team of researchers has been tracking the pandemic in Canada with periodic polling about lived experience and blood sample collection since May 2020.
Brown said the next phase of the study is already being conducted. The team has started surveying roughly 1,300 Canadian adults who were not infected by the initial Omicron variant known as BA.1 to determine whether they were infected by the Omicron subvariant called BA.2 from March to June 2022.
“We are preparing test kits now to send out our panel of people we’ve come back to several times, and this will be the fifth round of tests we’re sending them to better understand the second wave of Omicron,” he said.
“We found that the number of cases reported by public health isn’t as high as the previous wave, the number of hospitalizations hasn’t risen very much, but there has been a lot of infection … so we’re expecting to see that there’s been quite a lot of COVID throughout the population.”
This report by The Canadian Press was first published May 18, 2022.
This story was produced with the financial assistance of the Meta and Canadian Press News Fellowship.
Noushin Ziafati, The Canadian Press
The Key Role of Trustworthy Babysitters in Balancing Work and Family Life
Are you a busy parent in constant pursuit of the elusive work-life balance? We know firsthand how overwhelming and challenging it can be to juggle professional commitments while still having quality time with your children.
That’s why we’re here to discuss an essential ingredient that unlocks the secret to harmony: trustworthy babysitters.
What Characteristics Parents Should Look for When Choosing a Babysitter?
Parents should look for a few key characteristics when choosing a babysitter. A good babysitter should be patient, responsible, and reliable. They should also be comfortable with children and have prior experience caring for them.
Besides, the babysitter must be able to communicate effectively and follow directions well. The babysitter should be someone the parents can trust to care for their children in their absence.
Strategies for Parents to Establish Reasonable Anticipations
As a parent, finding babysitters you can trust to care for your children is vital. However, it is also important to establish reasonable expectations for your babysitters.
Some tips for establishing reasonable expectations for babysitters include:
- Set clear expectations: Sit down with your babysitter to discuss bedtime routines, dietary preferences, and any necessary medications.
- Allow flexibility: While clarity is vital, also provide room for your babysitter to use their judgment and feel comfortable in their role.
- Trust their expertise: Once expectations are set, trust your babysitter’s judgment as a professional caregiver to avoid undermining their authority and creating discomfort in their role.
Determining a Fair Payment Plan
Determine your babysitting budget, factoring in your income and family size, while researching local rates. Account for the babysitter’s experience and qualifications, giving preference to those recommended by trusted sources.
Engage in open negotiations with your chosen babysitter. This aims to find a mutually agreeable arrangement that accommodates both your budget and their needs.
Tips on Finding Trustworthy and Compassionate Caregivers
When seeking a caregiver for your child, to ensure you find the right fit:
- Seek recommendations from trusted sources such as friends, family, and neighbours who may have suggestions for caregivers in your area.
- Conduct online research to review feedback and check references to gauge candidates’ qualifications and experience.
- Request references and contact details from the caregivers’ previous employers or families they have worked with.
- Trust your instincts and ensure you feel at ease with the caregiver, ensuring they are someone you can entrust with your child’s well-being.
Being able to trust your babysitter means you can have peace of mind knowing your child is safe and cared for.
Spending some time researching online reviews or asking friends and family for recommendations will help you find the perfect fit so you can feel more at ease while juggling work commitments in today’s hectic world.
Facility-wide COVID-19 outbreak at Bethammi Nursing Home
THUNDER BAY — St. Joseph’s Care Group and the Thunder Bay District Health Unit have declared a facility-wide COVID-19 outbreak at Bethammi Nursing Home, part of the St. Joseph’s Heritage complex on Carrie Street near Red River Road.
The respiratory outbreak at the 112-bed facility was declared effective Sept. 15 but only announced publicly on Monday.
No details were provided with regard to the number of people affected to date.
Restrictions are now in place for admissions, transfers, discharges, social activities and visitation until further notice.
Alberta COVID hospitalizations up 73% since July: health minister
Three weeks after the start of the school year, Alberta’s health minister provided an update on the spread of airborne viruses in the province.
Adriana LaGrange also said more information about flu and next-generation COVID-19 vaccines will soon be released.
“Now that we will be spending more time indoors, we need to make doubly sure we are following proper hygiene protocols like handwashing and staying home when sick,” LaGrange said. “It also means respecting those who choose to wear a mask.”
Global News previously reported that influenza vaccines will be available on Oct. 16 with the new Moderna vaccine formulated to target the XBB.1.5 variant likely to be available at around the same time. On Sept. 12, Health Canada approved the use of the Moderna vaccine.
“More information on immunizations against respiratory viruses including influenza and COVID-19 will be available shortly,” the health minister said.
LaGrange said there have been 28 cases of influenza and five lab-confirmed cases of respiratory syncytial virus (RSV) since Aug. 28.
“This is consistent activity for this time of the year,” the health minister said in a statement.
The end of August or the beginning of September has typically marked the beginning of flu season for provincial health authorities.
LaGrange also provided an update on the ongoing COVID-19 pandemic in the province.
From Aug. 28 to Sept. 8, there were a total 92 new hospitalizations and three ICU admissions, bringing the total to 417 in hospital and seven in ICU, a 73 per cent increase of COVID hospitalizations from the last reported info.
On July 24 – the last update to the province’s COVID data dashboard – there were only 242 in hospital.
“Sadly, five Albertans died during that period due to COVID-19,” LaGrange said.
LaGrange said the reporting dashboard is being refreshed to include RSV, influenza and COVID-19 data, work that was originally expected to be completed on Aug. 30. The latest data on the province’s influenza statistics dashboard is dated July 22.
“This work is currently underway and will be available in the coming weeks,” LaGrange said.
She said data for the dates between July 24 and Aug. 27 will be available when the new dashboard goes online.
Amid more hospitals continent-wide reinstating masking requirements in the face of increased hospitalizations, the health minister made no mention of any such moves for Alberta hospitals. Acute care COVID-19 outbreaks in Alberta jumped from Sept. 5 to 12, with 146 per cent more healthcare workers and 55 per cent more patients testing positive for COVID.
LaGrange stressed the “collective responsibility” to prevent the spread of airborne viruses like COVID and influenza.
“As a mother and grandmother, I understand the anxiety that comes with sending your children back to school. I want to reassure you that Alberta’s government has the health and well-being of all young Albertans top of mind,” the health minister said.
–with files from Meghan Cobb, Global News
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