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Articles sur Pfizer

Affichage de 61 à 80 de 114 articles

New mRNA vaccines use genes from the coronavirus to produce immunity. Andriy Onufriyenko/Moment via Getty Images

How do mRNA vaccines work – and why do you need a second dose? 5 essential reads

So far, most vaccines in the US are mRNA vaccines. These represent a new technology and are likely to take over the vaccine world. But how do they work? What are their weaknesses? Five experts explain.
Gene-based vaccines had never been approved for humans before the coronavirus pandemic. Juan Gaertner/Science Photo Library via Getty Images

3 medical innovations fueled by COVID-19 that will outlast the pandemic

The coronavirus pandemic has driven a lot of scientific progress in the past year. But just as some of the social changes are likely here to stay, so are some medical innovations.
For many, distinguishing between fact and fiction is difficult. Olemedia/E+ via Getty Images

6 important truths about COVID-19 vaccines

With the vaccines now being administered at sites around the US, it is important to address misinformation surrounding the effort.
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

The roots of Canada’s COVID-19 vaccine shortage go back decades

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.
Patients with overweight or obesity issues make up more than 70% of the U.S. population. Peter Dazeley via Getty Images

Will the COVID-19 vaccine work as well in patients with obesity?

Americans with excess weight and obesity have been hit hard by COVID-19. Now there is reason to believe they may not get the same protection from the vaccines.

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