Tag Archives: Covid-19

Empty cities have long been a post-apocalyptic trope – now, they are a reality

Matt Gush/Shutterstock.com Paul Dobraszczyk, UCL Carry out a Google image search of the phrase “28 Days Later” and among the many stills and publicity images for the 2002 horror film, one will find a scattering of photographs of London taken during the first COVID-19 lockdown in late March and early April 2020. At that time, some Londoners described the emptiness …

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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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Joggers and cyclists should wear masks – here’s why

Tom Wang/Shutterstock Trish Greenhalgh, University of Oxford England is deep into its third lockdown, yet the daily tally of new COVID cases and deaths remains sickeningly high. As Chris Whitty, the country’s chief medical officer, said recently, more needs to be done to bring the pandemic under control. Masks, which when worn correctly are highly effective in reducing transmission, are …

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Fake news: bold visual warnings needed to stop people clicking – new research

Shutterstock/dencg Fiona Carroll, Cardiff Metropolitan University A senior doctor in charge of the NHS anti-disinformation campaign has said that language and cultural barriers could be causing people from ethnic minorities to reject the COVID-19 vaccine. Dr Harpreet Sood told the BBC it was “a big concern” and officials were working hard to reach different groups “to correct so much fake …

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Oxford scientists: how we developed our COVID-19 vaccine in record time

University of Oxford Tonia Thomas, University of Oxford and Rachel Colin-Jones, University of Oxford The pandemic is only a year old, but we already have multiple vaccines available to fight COVID-19 – including the vaccine developed by the team we’re part of at the University of Oxford. With our partner AstraZeneca, we have submitted both interim efficacy data and safety …

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How to stay safe with a new fast-spreading coronavirus variant on the loose

The new SARS-CoV-2 variant’s increased transmissibility is believed to come from a change in the spike protein, visible here in yellow under an electron microscope. National Institute of Allergies and Infectious Diseases Suresh Dhaniyala, Clarkson University and Byron Erath, Clarkson University A fast-spreading variant of the coronavirus that causes COVID-19 has been found in at least 10 states, and people …

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Vaccines alone aren’t enough to eradicate a virus – lessons from history

Dryvax, smallpox vaccine with bifurcated needle. James Gathany Content Providers/CDC Public Health Image Library Caitjan Gainty, King’s College London and Agnes Arnold-Forster, University of Bristol Smallpox killed countless millions – 300 million people in the 20th century alone – before it was finally declared eradicated on May 8 1980. It was a momentous day, marking what the current director general …

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