Tag Archives: coronavirus

Coronavirus: the pandemic is changing our brains – here are the remedies

The novel coronavirus is affecting our brains, whether we’ve caught it or not. Teo Tarras/Shutterstock

The novel coronavirus is affecting our brains, whether we’ve caught it or not. Teo Tarras/Shutterstock Barbara Jacquelyn Sahakian, University of Cambridge; Christelle Langley, University of Cambridge, and Deniz Vatansever, Fudan University Whether you have contracted COVID-19 or not, your brain is likely to have changed over the past few months. The virus itself can cause a number of neurological problems, …

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Coronavirus face masks: an environmental disaster that might last generations

Chris Redan/Shutterstock

Chris Redan/Shutterstock Keiron Philip Roberts, University of Portsmouth; Cressida Bowyer, University of Portsmouth; Simon Kolstoe, University of Portsmouth, and Steve Fletcher, University of Portsmouth Face coverings are now a legal requirement in many public spaces around the world. But even before they became compulsory, masks were causing litter problems on land and at sea. One February beach clean in Hong …

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Coronavirus: does the common cold protect you from COVID?

Grzegorz Placzek/Shutterstock

Grzegorz Placzek/Shutterstock Stephen Kissler, University of Cambridge An article in Science recently generated a lot of interest by providing a possible explanation of why COVID-19 can be deadly to some yet go virtually unnoticed in others. Scientists at La Jolla Institute for Immunology in California showed that infection with common cold coronaviruses can generate an immune response that resembles key …

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Oxford immunologist on coronavirus vaccine: our early results look highly promising

Numstocker/Shutterstock

Numstocker/Shutterstock Rebecca Ashfield, University of Oxford A vaccine against COVID-19 is urgently needed if we’re to stop the virus spreading and prevent potentially millions of further deaths. We’re now one step closer to that goal. We have published early results from our clinical trial of the vaccine ChAdOx1 nCoV-19 (also known as AZD1222), designed by the University of Oxford and …

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Three major scientific controversies about coronavirus

It is unclear how well masks work. People Image Studio/Shutterstock

It is unclear how well masks work. People Image Studio/Shutterstock Manal Mohammed, University of Westminster Although political leaders have closed borders in response to COVID-19, scientists are collaborating like never before. But the coronavirus (SARS-COV-2) is novel – and we don’t yet have all the facts about it. As a result, we may have to change our approach as new …

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Does coronavirus linger in the body? What we know about how viruses in general hang on in the brain and testicles

Are there places in the body where SARS-CoV-2 can hide from the immune system? fotograzia / Getty Images

Are there places in the body where SARS-CoV-2 can hide from the immune system? fotograzia / Getty Images William Petri, University of Virginia As millions of people are recovering from COVID-19, an unanswered question is the extent to which the virus can “hide out” in seemingly recovered individuals. If it does, could this explain some of the lingering symptoms of …

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A replaceable, more efficient filter for N95 masks AMERICAN CHEMICAL SOCIETY

ACS Nano 2020, DOI: 10.1021/acsnano.0c03976

Since the outbreak of COVID-19, there’s been a worldwide shortage of face masks — particularly, the N95 ones worn by health care workers. Although these coverings provide the highest level of protection currently available, they have limitations. Now, researchers reporting in ACS Nano have developed a membrane that can be attached to a regular N95 mask and replaced when needed. …

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About-face: politicians switch from vilifying burqas to mandating masks

Yui Mok/PA

Nilufar Ahmed, University of Bristol People in the UK will be soon be required by law to wear masks in shops to prevent the spread of coronavirus. This follows the introduction of mandatory face coverings on public transport in June. There is evidence that supports the public health benefits of wearing face coverings in public. But the UK government and …

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Oxford immunologist on coronavirus vaccine: our early results look highly promising

Numstocker/Shutterstock

Numstocker/Shutterstock Rebecca Ashfield, University of Oxford A vaccine against COVID-19 is urgently needed if we’re to stop the virus spreading and prevent potentially millions of further deaths. We’re now one step closer to that goal. Today, we published early results from our clinical trial of the vaccine ChAdOx1 nCoV-19 (also known as AZD1222), designed by the University of Oxford and …

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Herd immunity: why the figure is always a bit vague

Herd immunity

hobbit/Shutterstock Adam Kleczkowski, University of Strathclyde Nearly 100 years ago, two British researchers, William Topley and Graham Wilson, were experimenting with bacterial infections in mice. They noticed that individual survival depended on how many of the mice were vaccinated. So the role of the immunity of an individual needed to be distinguished from the immunity of the entire herd. Fast …

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