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Tag Archives: vaccines

COVID-19 vaccination: What we can learn from the great polio vaccine heist of 1959

In a pandemic, vaccines are in very high demand, and this threatens their supply. (Shutterstock) Paula Larsson, University of Oxford We find ourselves at a precarious time in global health. Many people are anxiously awaiting their turn to receive a vaccine for COVID-19, yet roll-out is slow and disorganized, with many countries facing supply shortages. The conditions are ripe for …

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Coronavirus variants, viral mutation and COVID-19 vaccines: The science you need to understand

The SARS-CoV-2 virus is mutating. Aitor Diago/Moment via Getty Images Richard Kuhn, Purdue University The SARS-CoV-2 virus mutates fast. That’s a concern because these more transmissible variants of SARS-CoV-2 are now present in the U.S., U.K. and South Africa and other countries, and many people are wondering whether the current vaccines will protect the recipients from the virus. Furthermore, many …

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COVID-19 misinformation: scientists create a ‘psychological vaccine’ to protect against fake news

Alexander Limbach/Shutterstock Sander van der Linden, University of Cambridge and Jon Roozenbeek, University of Cambridge Anti-vaccination groups are projected to dominate social media in the next decade if left unchallenged. To counter their viral misinformation at a time when COVID-19 vaccines are being rolled out, our research team has produced a “psychological vaccine” that helps people detect and resist the …

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Virus evolution could undermine a COVID-19 vaccine – but this can be stopped

Could SARS-CoV-2 evolve to dodge the vaccine? Jose A. Bernat Bacete/Moment collection/Getty Images Andrew Read, Penn State and David Kennedy, Penn State The first drug against HIV brought dying patients back from the brink. But as excited doctors raced to get the miracle drug to new patients, the miracle melted away. In each and every patient, the drug only worked …

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What you need to know about the new COVID-19 variants

B117, the SARS CoV-2 variant that was first detected in the U.K., has been found to be 30%-80% more transmissible. Juan Gaertner/Science Photo Library via Getty Images David Kennedy, Penn State Editor’s note: Two new strains of the coronavirus that causes COVID-19 called B.1.1.7 and B.1.351 have been found in the U.K. and South Africa and are thought to be …

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World economy in 2021: here’s who will win and who will lose

Xi Jinping, the Chinese president. China’s economy is now showing strong growth. Shutterstock Steve Schifferes, City, University of London The coronavirus has crippled the world economy. Global GDP suffered its sharpest drop since the end of the second world war in 2020, millions were unemployed or furloughed, and governments pumped trillions of dollars into their economies to prevent greater damage. …

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The cold supply chain can’t reach everywhere – that’s a big problem for equitable COVID-19 vaccination

Getting vaccines to rural and hard-to-reach areas is critical for public health and ethical reasons. Hector Roqueta Rivero/Moment via Getty Images Timothy Ford, University of Massachusetts Lowell and Charles M. Schweik, University of Massachusetts Amherst To mitigate health inequities and promote social justice, coronavirus vaccines need to get to underserved populations and hard-to-reach communities. There are few places in the …

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Oxford vaccine approved – now, here are 10 reasons why you should get vaccinated

Prostock-studio/Shutterstock Alessandro Siani, University of Portsmouth The Oxford-AstraZeneca COVID-19 vaccine has been authorised for use in the UK, meaning that millions more vaccine doses can now be delivered in the country. This will speed up progress towards achieving widespread immunity to the coronavirus. However, since the start of the pandemic – and particularly since vaccines for COVID-19 started being developed …

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Should pregnant women get the COVID-19 vaccine? Will it protect against asymptomatic infections and mutated viruses? An immunologist answers 3 questions

I am a physician, and I just got my first shot of the Pfizer COVID-19 vaccine. William Petri, CC BY-SA William Petri, University of Virginia This week I was vaccinated against COVID-19 with the Pfizer mRNA vaccine, which brought to mind some frequently asked questions about the Pfizer and Moderna vaccines. I am a professor of infectious diseases at the …

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How the leading coronavirus vaccines work

Eugene Lu/Shutterstock Sarah Pitt, University of Brighton There are now quite a few COVID-19 vaccines in the pipeline, but two seem to be making promising progress: the one designed by the US biotechnology company Moderna, and the one developed by the University of Oxford in collaboration with AstraZeneca. In both cases, the research teams have built on their previous experience …

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