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Tam warns against COVID-19 vaccine untruths

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Chief Public Health Officer Theresa Tam responds to a question during a news conference Tuesday August 25, 2020 in Ottawa. THE CANADIAN PRESS/Adrian Wyld

OTTAWA – Canada’s chief public health officer is warning against the spread of online untruths about vaccines, as a new survey suggests some Canadians are worried about getting inoculated against COVID-19.

Dr. Theresa Tam made the comments during a news conference Tuesday while responding to the Statistics Canada survey, which found nearly one-quarter of respondents unlikely or unsure whether they would get a COVID-19 vaccine.

Many experts and political leaders have touted the successful development and widespread rollout of a vaccine as essential for an eventual return to normalcy, including the full reopening of economies and ending physical distancing.

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More than 76 per cent of respondents in the Statistics Canada survey indicated they would likely get inoculated if and when a vaccine is ready. Yet 14 per cent said they were somewhat or very unlikely to do so. Nine per cent remained unsure.

Those who indicated they were unlikely to get a vaccine were asked to identify the reasons for their reluctance. More than half cited a lack of confidence in its safety while a similar number said they were worried about potential risks and side effects.

About one-quarter of respondents, who were allowed to give more than one answer, said they did not consider it necessary to get the vaccine while about 10 per cent indicated they did not believe in vaccines at all.

More than one-third said they would likely just wait until the vaccine seemed safe.

The survey also indicated younger Canadians and those who don’t have a university degree are more likely to be hesitant or nervous about a vaccine than those who are older and more educated.

The crowd-sourced survey of around 4,000 Canadians was conducted between June 15-21. It cannot be given a margin of error because the participants do not represent a random sample.

Asked about the survey, Tam underscored the importance of “vaccine confidence,” describing it as integral to the successful rollout of vaccine.

She went on to promise that regulators won’t take any shortcuts with safety despite the government agreeing to several changes to the clinical-trial process to get a potential COVID-19 vaccine developed faster.

“Just because it’s an accelerated process to get vaccines for Canadians does not mean we’re going to shortchange anything on safety and effectiveness,” Tam said. “I do have confidence in our regulatory system.”

Tam also took aim at the spread of falsehoods about vaccines online.

“I do think social media and internet companies do have responsibilities in terms of their role in the space,” she said.

“So I would look towards different partners, different government departments also coming together to look at how we better address some of the misinformation that’s in that space.”

She is not the first to speak out on this issue, as some have blamed the growing number and influence of anti-vaccination groups online for a resurgence in childhood diseases such as measles.

Facebook announced last year that it would be cracking down on so-called “anti-vaxxer” groups, which included labelling posts deemed as containing false information about vaccines. The social media giant now being sued by one such group in California.

Josh Greenberg, a communications professor at Carleton University who has been studying Canadians’ attitudes towards a COVID-19 vaccine, said safety concerns aren’t unexpected, given the pressure governments and industry are facing to get something working fast.

Yet he said it is essential that Ottawa push back against misinformation campaigns, which have been growing in numbers and influence even as governments around the world have been slow to react.

“When you look at issues like COVID-19 and the campaign to ready or prepare the public for the eventual release of a vaccine, you’re talking about a battle for both hearts and minds,” Greenberg said.

“It’s not just an information battle of trying to make sure that people have accurate information, but that you are persuading them in such a way that they trust the veracity of the information you’re providing and they also trust the source of that information.”

While the world is rushing to find a vaccine for COVID-19, new reports of several people having been reinfected with the novel coronavirus after testing positive once before raise concerns that it might be a moving target.

Deputy chief public health officer Dr. Howard Njoo said the cases in Hong Kong, Belgium and the Netherlands highlight ongoing questions about immunity to COVID-19 and the need for an effective vaccine.

This report by The Canadian Press was first published Aug. 25, 2020.

Source: – Winnipeg Free Press

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New technology to advance women’s cancer care at Southlake

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NEWS RELEASE
SOUTHLAKE REGIONAL HEALTH CENTRE
**************************
This Cancer Awareness Month, Southlake is adding advanced technologies to detect and treat breast cancer and other women’s cancers thanks to generous community donor support, most recently through the HERE is Where Cancer Meets its Match campaign. New cancer care technology, including new mammography machines, the MyoSure System and the MOLLI 2® System will make a measurable impact in diagnosing and treating women’s cancers in the communities Southlake serves.

Southlake is installing three new mammography machines to expand its breast cancer screening program to 1,500 more women each year. Two of these machines have new biopsy capabilities that will reduce the number of cancelled exams due to equipment failure, ensuring timely care for women. Women ages 40 to 49 years old will be able to self-refer for publicly funded mammograms through the Ontario Breast Screening Program starting this fall.

“Early detection is critical when treating breast cancer and other women’s cancers,” said Lorrie Reynolds, Director, Regional Cancer Program at Southlake. “We treat more than 1,700 breast cancer patients at Southlake every year. By adding advanced technology, like the new mammography machines, we’re ensuring women have the best experience at Southlake.”

Southlake is also introducing the MyoSure System, an innovative technology that can help detect female reproductive cancers. Damaged tissue in a woman’s uterus such as fibroids and polyps can now be removed in a precise, minimally invasive procedure that leaves the rest of the uterus intact. This will improve the overall patient experience by supporting faster recovery, reducing the risk of infection and giving more women the option to have children. An estimated 200 women per year will benefit from the MyoSure System.

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The new mammography machines and the MyoSure System build on Southlake’s recent investment in the MOLLI 2® System, a made-in-Canada wire-free breast localization technology.  This technology is considerably less invasive and more accurate when compared to wire-guided localization, resulting in a better patient experience and improved cosmetic outcomes.  More than 200 women each year will benefit from this innovative medical device as they are treated for breast cancer at Southlake.

“As a clinician caring for women with cancer in our community, I’m incredibly proud of the work Southlake is doing to advance women’s health and improve patient experiences,” said Sara Temple, MD, Surgical Oncologist and Chief of Surgery at Southlake. “Women who visit Southlake can be confident that they are receiving leading edge care, close to home when they need it most.”

The World Health Organization anticipates a 77 per cent increase in cancer diagnoses by 2050.  Southlake serves some of the fastest growing communities in Canada and anticipates that the number of patients requiring cancer care will grow. By investing in new technology, Southlake is ensuring that women in the communities it serves have access to leading edge cancer care. All of these investments were funded with support from community donors who generously gave to Southlake to support investments into women’s health at the hospital.

“The generosity of our donor community and the impact they have made for women receiving cancer diagnosis and treatment at Southlake is something we can all take great pride in,” said Jennifer Ritter, President and CEO of Southlake Foundation. “From our Women’s Health Initiative donors supporting new mammography machines, to the Ladies in Philanthropy for Southlake funding the MOLLI 2 System, to our long-standing partners The Edge Benefits and Pheasant Run Golf Club enabling the introduction of MyoSure System through their joint annual charity golf tournament, we are incredibly lucky to share a vision of access to exceptional care for everyone who depends on Southlake when they need us most. Thank you, to every donor who contributed to these important upgrades to care for women.”

Southlake Foundation’s HERE is Where Cancer Meets its Match campaign supports the Stronach Regional Cancer Centre at Southlake. For more information or to make a donation, visit: southlake.ca/HERE.

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Pasteurized milk includes remnants of H5N1 bird flu, U.S. officials say

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The U.S. Food and Drug Administration says that samples of pasteurized milk have tested positive for remnants of the bird flu virus that has infected dairy cows.

The agency stressed that the material is inactivated and that the findings “do not represent actual virus that may be a risk to consumers.” Officials added that they’re continuing to study the issue.

“To date, we have seen nothing that would change our assessment that the commercial milk supply is safe,” the FDA said in a statement on Tuesday.

The announcement comes nearly a month after an avian influenza virus that has sickened millions of wild and commercial birds in recent years was detected in dairy cows in at least eight states. The Agriculture Department (USDA) says 33 herds have been affected to date.

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FDA officials didn’t indicate how many samples they tested or where they were obtained. The agency has been evaluating milk during processing and from grocery stores, officials said. Results of additional tests are expected in “the next few days to weeks.”

WATCH | Bird flu spread in U.S. cows:

 

Bird flu is spreading in cows. Are humans at risk? | About That

15 days ago

Duration 8:54

For the first time ever, avian influenza, or H5N1 bird flu, was detected in roughly a dozen dairy cow herds across the U.S. About That producer Lauren Bird explores why scientists and public health officials are concerned about the cross-species transmission and whether humans are now at higher risk.

The polymerase chain reaction (PCR) lab test the FDA used would have detected viral genetic material even after live virus was killed by pasteurization, or heat treatment, said Lee-Ann Jaykus, an emeritus food microbiologist and virologist at North Carolina State University

“There is no evidence to date that this is infectious virus, and the FDA is following up on that,” Jaykus said.

Officials with the FDA and the USDA had previously said milk from affected cattle did not enter the commercial supply. Milk from sick animals is supposed to be diverted and destroyed. Federal regulations require milk that enters interstate commerce to be pasteurized.

Tests for viable virus underway, agency says

Because the detection of the bird flu virus known as Type A H5N1 in dairy cattle is new and the situation is evolving, no studies on the effects of pasteurization on the virus have been completed, FDA officials said. But past research shows that pasteurization is “very likely” to inactivate heat-sensitive viruses like H5N1, the agency added.

The agency said it has been evaluating milk from affected animals, in the processing system and on the shelves. It said it is completing a large, representative national sample to understand the extent of the findings.

The FDA said it is further assessing any positive findings through egg inoculation tests, which it described as a gold standard for determining viable virus.

Matt Herrick, a spokesperson for the International Dairy Foods Association, said that time and temperature regulations for pasteurization ensure that the commercial U.S. milk supply is safe. Remnants of the virus “have zero impact on human health,” he wrote in an email.

Scientists confirmed the H5N1 virus in dairy cows in March after weeks of reports that cows in Texas were suffering from a mysterious malady. The cows were lethargic and saw a dramatic reduction in milk production. Although the H5N1 virus is lethal to commercial poultry, most infected cattle seem to recover within two weeks, experts said.

To date, two people in the U.S. have been infected with bird flu. A Texas dairy worker who was in close contact with an infected cow recently developed a mild eye infection and has recovered. In 2022, a prison inmate in a work program caught it while killing infected birds at a Colorado poultry farm. His only symptom was fatigue, and he recovered.


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Remnants of bird flu virus found in pasteurized milk, FDA says

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The U.S. Food and Drug Administration said Tuesday that samples of pasteurized milk had tested positive for remnants of the bird flu virus that has infected dairy cows.

The agency stressed that the material is inactivated and that the findings “do not represent actual virus that may be a risk to consumers.” Officials added that they’re continuing to study the issue.

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