Some virologists hypothesize that Omicron and other variants of concern emerged after mutating within an immunosuppressed person. The solution, they say, is to get vaccines to under-vaccinated countries.
Physician-epidemiologist Stefan Baral opposes vaccine certificates on the grounds that they further sideline marginalized groups and strain the relationship between public health and the public it serves.
During the pandemic, Vaccine Hunters Canada became a household name because the group worked around the clock to help Canadians get vaccinated. We're profiling the group as a Pillars of the Pandemic honouree.
Lawrence Loh, Peel Region’s medical officer of health, worked tirelessly to promote public health in one of Ontario's worst-hit COVID-19 hotspots. We're profiling him as a Pillars of the Pandemic honouree.
Healthy Debate Editor-in-Chief Seema Marwaha talks about how booster shots of the COVID-19 vaccines could help protect the immunocompromised – especially during the fourth wave – and, perhaps later on, the general public.
When it comes to vaccine passports, perhaps the ends justify the means – they will increase vaccinations and benefit everyone. But perhaps we must also admit that they are, at best, only a small part of the solution to increasing vaccination.
A vaccine passport or identification system is a way to provide official proof of immunization when taking part in higher-risk activities. We break down what it looks like, who is doing it and what the ethical considerations might be.
An epidemiologist breaks down the differences between short-term clinical trials and observational studies, and what each type of inquiry can tell us about how well vaccines work and how long they will last.
Asking people about their vaccination status may be well-intentioned, but it can violate their privacy and lead to negative consequences for them. It's time to reconsider asking about it during our regular public interactions.
It’s clear that when Ontario's ICUs were on the brink of being overwhelmed at the beginning of May, delaying second doses of the vaccines to have more people get one dose almost certainly helped avert catastrophe.
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