Tamara Dus, director of University Health Network Safety Services, administers a Pfizer-BioNTech COVID-19 vaccine in Toronto.
THE CANADIAN PRESS/Frank Gunn
The arrival of COVID-19 vaccines has raised hope for an end to the pandemic. Hopefully that’s true, but there are variables. Here are some factors that could affect the success of the vaccine rollout.
A health-care worker prepares a dose of the Pfizer-BioNTech COVID-19 vaccine at a UHN COVID-19 vaccine clinic in Toronto on Thursday, January 7, 2021.
THE CANADIAN PRESS/Nathan Denette
Behind Canada’s current COVID-19 vaccine shortage is a decades-long tale of unheeded warnings, missed opportunities and dismantled resources that was never going to end well.
After a second dose of the COVID-19 mRNA vaccine, a swarm of antibodies attacks the virus.
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Historically, we immunized children against diseases like polio that were a clear danger to them, but COVID-19 is usually mild in children. However, herd immunity is unlikely without vaccinating kids.
Health-care workers wait in line at a COVID-19 vaccine clinic in Toronto on Jan. 7, 2021.
THE CANADIAN PRESS/Nathan Denette
Rollout of COVID-19 vaccines has begun. But getting the jab doesn’t mean abandoning masks, distancing and handwashing. Here’s why the current preventive measures must continue post-vaccine.
COVAX aims to accelerate the development and manufacture of COVID-19 vaccines and guarantee access to all countries.
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With vaccine shortages looming, experts are debating whether it is important to receive two doses or whether it’s better to give one dose to more people and give a second when the supply is better.
Before the U.S. can return to some form of normal, a lot of people need to be vaccinated.
AP Photo/Paul Sancya, Pool
Researchers say around 70% of the US needs to get the coronavirus vaccine to stop the pandemic. But questions around the vaccines and regional differences add some uncertainty to that estimate.
Getting vaccines to rural and hard-to-reach areas is critical for public health and ethical reasons.
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So far, the only COVID-19 vaccines authorized for use need to be kept frozen. But there are many places in the world that can’t support a cold supply chain.
I am a physician, and I just got my first shot of the Pfizer COVID-19 vaccine.
William Petri
With vaccines forthcoming for most Americans, many groups, including expectant mothers, are wondering if the vaccine is safe for them and their babies. A physician-scientist explains.
Efficient shipping and storage could prevent a lot of wasted vaccines.
AP Photo/Morry Gash, Pool
COVID-19 vaccines have very specific storage requirements that make shipping a difficult task. Two ideas – fulfillment centers and cross-docking – could help overcome some distribution challenges.
The pharmaceutical industry opposes the suspension of intellectual property rights on COVID-19 vaccines and treatments, and no pharma companies have yet contributed to the COVID-19 Technology Access Pool.
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We should applaud drug companies for developing COVID-19 vaccines in record time, but let’s not be under any illusion about the profits that are motivating them.
Although monetary incentives work, there are potential drawbacks.
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Millions of Americans say they won’t get the vaccine. Will money change their minds? And is luring them with cash the right approach?
Tony Potts, a 69-year-old retiree, removes his face mask for a temperature check just before receiving his first injection in a phase 3 COVID-19 vaccine clinical trial sponsored by Moderna. Potts is one of 30,000 participants in the Moderna trial.
Paul Hennessy/NurPhoto via Getty ImageS
The vaccines that will first be used to prevent the spread of COVID-19 will have gone through a special approval process with the FDA. but just what is this expedited process?
A little bit of post-injection soreness is completely normal.
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The side effects of new SARS-CoV-2 vaccines are a result of immune system activation. While uncomfortable, they are both normal and expected. They are a sign that the vaccine is working.
The pandemic rages as the world waits for COVID-19 vaccines.
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Because Pfizer-BioNTech and Moderna vaccines have been developed in record time, many wonder whether companies cut corners or compromised safety.
A volunteer gets an injection of Moderna’s possible COVID-19 vaccine on July 27, 2020. Moderna announced Nov. 16 that its vaccine is proving highly effective in a major trial.
(AP Photo/Hans Pennink)
Two pharma companies have announced early COVID-19 vaccine trial results with over 90 per cent effectiveness. What does that mean for getting back to normal?
Moderna’s new mRNA vaccine is almost 94.5% effective in large-scale trials.
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There are two new COVID-19 vaccines that appear to be more than 90% effective. But what are these vaccines, and how are they different from those used previously?
Moderna’s shot is far easier to store and distribute than Pfizer’s. But there are concerns neither vaccine performs particularly well for older people.
Paediatrician at the Royal Childrens Hospital and Associate Professor and Clinician Scientist, University of Melbourne and MCRI, Murdoch Children's Research Institute
Professor of Epidemiology, Population Interventions Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne