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MONTREAL Quebec’s vaccine priority list is based, above all, on age. But a growing number of voices are pushing for that to change especially cancer doctors. They’d like to see cancer patients who are actively in treatment bumped up in the priority lineup, not just soon, but now, to get their shots alongside the elderly. “The issue for cancer patients… is that they cannot wait,” said Dr. Thierry Alcindor, chief of medical oncology at the McGill University Health Centre. Right now, people under 60 with pre-existing conditions are second to last on Quebec’s vaccine priority list, coming in above only the young and healthy.
Dubai: The landscape of single-dose vaccines against COVID-19 just got more interesting. On Sunday, US health authorities approved the Janssen vaccine as a single-shot against COVID, with 78% efficacy. This is seen as a “game changer” in the global counter-coronavirus drive.
Data from the clinical trials and massive vaccination rollouts lead some experts to make a case for single shots from Pfizer and Moderna vaccines, too. The latter two are messenger RNA vaccines currently being rolled out in North America, Europe and the Middle East as a double dose.
With millions of doses per day being administered, there’s a decent amount of information for data scientists to crunch. Some experts argue this delayed or “fractional” dosing, could help the world achieve herd immunity sooner. Other scientists oppose the strategy. Here’s the lowdown on single-dose COVID shots:
Participation in the studies is completely voluntary. Anyone can withdraw their participation at any time. All participants will be given the opportunity to learn their serology test results confidentially. “COVID-19 outbreaks in correctional facilities have significant impacts on incarcerated individuals and staff,” states Canada’s Chief Public Health Officer, Dr. Theresa Tam. “These studies will help us develop more effective strategies to prevent the introduction and spread of the virus within these facilities.” Researchers will offer multiple tests to those in federal institutions to see what happens to antibody levels. “Understanding how antibody levels change over time is a first step to understanding the risk of re-infection,” says Correctional Service Canada study lead researcher Dr. Michael Martin, Acting Director of Epidemiology.
Kontulainen’s study, which focuses on bone and muscle health, is part of a 17-month national project funded by CIHR to understand the health impacts of inactivity. Eight university teams across Canada have each been awarded $200,000 to study the effects of a 14-day bed rest period on the brains and cardiovascular and other physiological systems in a total of 24 volunteers 12 men and 12 women. “This project is unique because, for the first time, participants are in the 55-to-65 age group while previous bed rest studies involved only young people,” said Kontulainen. “With one-quarter of Canada’s population expected to be seniors by 2035, it’s important to understand mechanisms that cause bone deterioration through aging and inactivity.”