We tend to just think of viruses in terms of their damaging impacts on human health and lives. But viruses can also be used to benefit human health, agriculture and the environment.
Dozens of coronavirus vaccines are in clinical trials in the U.S.
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Vaibhav Upadhyay, University of Colorado Anschutz Medical Campus and Krishna Mallela, University of Colorado Anschutz Medical Campus
Existing coronavirus vaccines are not as effective against newer variants of the virus. Two vaccine experts explain how new vaccines currently in development will likely offer better protection.
Families and youth aged 12 and older lined up for a COVID-19 vaccine at Gordon A Brown Middle School in Toronto in May.
THE CANADIAN PRESS/Nathan Denette
With youth ages 12 and over eligible for COVID-19 vaccination — and as trials for younger children move ahead — parental hesitancy is emerging as the new challenge for COVID-19 vaccine programs.
One of this and one of that might be a good strategy to coronavirus vaccination.
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Various companies use different ingredients and different delivery systems in their COVID-19 vaccines. Researchers are investigating whether it’s better for individuals to mix what’s available.
People line up at a mass vaccination centre during the COVID-19 pandemic in Mississauga, Ont.
THE CANADIAN PRESS/Nathan Denette
Canadian public health organizations have run into a serious communication problem about the AstraZeneca vaccine. Crisis management and communication theories explain what’s gone wrong.
If one adenoviral vaccine is linked with blood clots, it doesn’t mean all vaccines in this family will have that same effect. But it’s definitely worth health authorities assessing the data.
The AstraZeneca vaccine is already in use in many places.
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AstraZeneca just announced results from its US-based trial. It found the vaccine to be 79% effective and safe for use, despite recent concerns around reports of blood clots.
The Johnson & Johnson vaccine only requires one dose.
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The Johnson & Johnson vaccine is different from the Moderna and Pfizer vaccines in a few important ways that could make it a huge help to global vaccination efforts.