Health
Pfizer-BioNTech COVID vaccine less effective against infection for kids 5 to 11, study suggests – CBC News
Two doses of the Pfizer-BioNTech COVID-19 vaccine was protective against severe disease in children aged five to 11 during the recent Omicron variant surge, but quickly lost most of its ability to prevent infection in the age group, according to a study by New York State researchers.
The vaccine’s efficacy against infection among those children declined to 12 per cent at the end of January from 68 per cent in mid-December compared to kids who did not get vaccinated, according the study, which has not yet been peer reviewed.
For those aged 12 to 17, the vaccine’s protection against infection fell to 51 per cent in late January from 66 per cent in mid-December.
“These results highlight the potential need to study alternative vaccine dosing for children and the continued importance layered protections, including mask wearing, to prevent infection and transmission,” the researchers said.
The vaccine was around 48 per cent effective in keeping the younger age group out of the hospital, with 73 per cent efficacy against hospitalization among adolescents last month, the data showed.
That was down from effectiveness of 100 per cent and 85 per cent against hospitalization for the two age groups as of mid-December.
Small number of hospitalizations
Dr. Paul Offit, a pediatric infectious disease expert at Children’s Hospital of Philadelphia, questioned whether the data were robust enough to say that the vaccine’s efficacy had significantly declined, particularly against severe disease.
“It’s not surprising that protection against mild illness would wane,” Offit said. “We know that Omicron is somewhat immune evasive for protection against mild illness. The goal of the vaccine is to protect against severe illness — to keep children out of the hospital.”
Offit said the number of hospitalizations were too few to draw any real conclusions, and that there was little information on why the children were hospitalized. He noted that protection from previous infection among the unvaccinated might also skew the numbers.
“Natural infection can protect against serious illness,” he said.
Younger children receive a lower 10-microgram dose of the vaccine than 12- to 17-year-olds, who receive the same 30-microgram dose as adults and are eligible for a third booster shot.
Pfizer said it is studying a three-dose schedule of the vaccine in the pediatric population, noting that studies in adults suggest that “people vaccinated with three doses of a COVID-19 vaccine may have a higher degree of protection.”
Health
CFIA continues surveillance for HPAI in cattle, while sticking with original name for disease – RealAgriculture
The Canada Food Inspection Agency will continue to refer to highly pathogenic avian influenza in cattle as HPAI in cattle, and not refer to it as bovine influenza A virus (BIAV), as suggested by the American Association of Bovine Practitioners earlier this month.
Dr. Martin Appelt, senior director for the Canadian Food Inspection Agency, in the interview below, says at this time Canada will stick with “HPAI in cattle” when referencing the disease that’s been confirmed in dairy cattle in multiple states in the U.S.
The CFIA’s naming policy is consistent with the agency’s U.S. counterparts’, as the U.S. Animal and Plant Health Inspection Service has also said it will continue referring to it as HPAI or H5N1.
Appelt explains how the CFIA is learning from the U.S. experience to-date, and how it is working with veterinarians across Canada to stay vigilant for signs of the disease in dairy and beef cattle.
As of April 19, there has not been a confirmed case of HPAI in cattle in Canada. Appelt says it’s too soon to say if an eventual positive case will significantly restrict animal movement, as is the case with positive poultry cases.
This is a major concern for the cattle industry, as beef cattle especially move north and south across the U.S. border by the thousands. Appelt says that CFIA will address an infection in each species differently in conjunction with how the disease is spread and the threat to neighbouring farms or livestock.
Currently, provincial dairy organizations have advised producers to postpone any non-essential tours of dairy barns, as a precaution, in addition to other biosecurity measures to reduce the risk of cattle contracting HPAI.
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Health
Toronto reports 2 more measles cases. Use our tool to check the spread in Canada – Toronto Star
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Canada has seen a concerning rise in measles cases in the first months of 2024.
By the third week of March, the country had already recorded more than three times the number of cases as all of last year. Canada had just 12 cases of measles in 2023, up from three in 2022.
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Health
Cancer Awareness Month – Métis Nation of Alberta
Cancer Awareness Month
Posted on: Apr 18, 2024
April is Cancer Awareness Month
As we recognize Cancer Awareness Month, we stand together to raise awareness, support those affected, advocate for prevention, early detection, and continued research towards a cure. Cancer is the leading cause of death for Métis women and the second leading cause of death for Métis men. The Otipemisiwak Métis Government of the Métis Nation Within Alberta is working hard to ensure that available supports for Métis Citizens battling cancer are culturally appropriate, comprehensive, and accessible by Métis Albertans at all stages of their cancer journey.
Receiving a cancer diagnosis, whether for yourself or a loved one, can feel overwhelming, leaving you unsure of where to turn for support. In June, our government will be launching the Cancer Supports and Navigation Program which will further support Métis Albertans and their families experiencing cancer by connecting them to OMG-specific cancer resources, external resources, and providing navigation support through the health care system. This program will also include Métis-specific peer support groups for those affected by cancer.
With funding from the Canadian Partnership Against Cancer (CPAC) we have also developed the Métis Cancer Care Course to ensure that Métis Albertans have access to culturally safe and appropriate cancer services. This course is available to cancer care professionals across the country and provides an overview of who Métis people are, our culture, our approaches to health and wellbeing, our experiences with cancer care, and our cancer journey.
Together, we can make a difference in the fight against cancer and ensure equitable access to culturally safe and appropriate care for all Métis Albertans. Please click on the links below to learn more about the supports available for Métis Albertans, including our Compassionate Care: Cancer Transportation program.
I wish you all good health and happiness!
Bobbi Paul-Alook
Secretary of Health & Seniors
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