Tag Archives: Covid-19

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 …

Read More »

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 …

Read More »

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. …

Read More »

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 …

Read More »

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 …

Read More »

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 …

Read More »

Why it’s important to know how fluids move

Knowing how fluids move can help us understand virus transmission better. Stock image/Getty Images

Knowing how fluids move can help us understand virus transmission better. Stock image/Getty Images Justin Pringle, University of KwaZulu-Natal COVID-19 has sharply brought into focus the impact of respiratory infectious diseases on humanity. It has also shown that the greatest defence against health crises is government policy that is strongly rooted in science. In an attempt to contain the spread …

Read More »

My new life as a coronavirus tester – a scientist’s story

RossHelen/Shutterstock

RossHelen/Shutterstock Tobias Wauer, University of Cambridge It was March 2020, and my plans to start a new cancer research project in Boston were called off for the same reason everything else was grinding to a halt: coronavirus. Facing indeterminate months confined to my sofa, I signed up to a call for scientist volunteers circulated by the University of Cambridge. The …

Read More »

The Moroccan American Dr. Moncef Slaoui to head America’s plan against COVID-19

Susan Walsh, AP Elizabeth Weise USA TODAY Published 2:19 PM EDT May 14, 2020 President Trump on Wednesday tapped venture capitalist and former pharmaceutical head Moncef Slaoui to head Operation Warp Speed, a White House initiative meant to quickly develop and distribute coronavirus vaccines. Slaoui was named Wednesday, according to a senior administration official. He was chair of the vaccines …

Read More »