Tag Archives: coronavirus

Hybrid immunity: a combination of vaccination and prior infection probably offers the best protection against COVID

Kateryna Kon/Shutterstock Grace C Roberts, University of Leeds and Lena Glaser, Queen’s University Belfast When we’re exposed to a pathogen such as a virus, our immune system identifies it as a foreign invader and mounts an attack. This ultimately results in the formation of antibodies which can neutralise the invading pathogen next time we encounter it. It’s a complex process. …

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COVID vaccines for children under five: what parents need to know

Kamil Macniak/Shutterstock Tara Hurst, Birmingham City University Pfizer’s COVID-19 vaccine became available for children aged five to 11 in the UK in April 2022. Those aged 12 and up had already been eligible since 2021. But if you have a child aged under five, you might be wondering, when will they be able to be vaccinated against COVID-19? Children under …

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Five tips for young people dealing with long COVID – from a GP

Basicdog/Shutterstock Dipesh Gopal, Queen Mary University of London While we might not be hearing the daily COVID numbers anymore, the virus hasn’t gone away. In the UK alone, thousands of new cases continue to be recorded every day. Meanwhile, there’s a very large group of people for whom the virus hasn’t gone away in a different sense – those suffering …

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COVID has reached North Korea, threatening a humanitarian emergency

Michael Head, University of Southampton The World Health Organization declared COVID-19 a pandemic in March 2020. But it’s only in recent days, in May 2022, that the secretive Democratic People’s Republic of Korea (North Korea) has reported its first confirmed cases of the virus. While it may seem somewhat astounding that a country has managed to get so far into …

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Comprendre la notion de « limites planétaires »

Natacha Gondran, Mines Saint-Etienne – Institut Mines-Télécom and Aurélien Boutaud, Mines Saint-Etienne – Institut Mines-Télécom Quand un athlète approche de trop près les limites de son corps, il arrive souvent que ce dernier réagisse par une blessure qui le contraint alors au repos. Quel sportif ayant poussé trop loin ses capacités ne s’est fait rappeler à l’ordre par un claquage, …

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Omicron XE is spreading in the UK – a virologist explains what we know about this hybrid variant

Andrii Vodolazhskyi/Shutterstock Grace C Roberts, University of Leeds As the COVID pandemic has progressed, we’ve repeatedly seen the arrival of new viral variants. Variants of concern, such as delta and omicron, are versions of SARS-CoV-2 (the virus that causes COVID-19) which have acquired mutations. These mutations can provide SARS-CoV-2 with a genetic advantage – so for example, delta is linked …

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COVID, climate change, Ukraine: three ways businesses can adapt their models to working in an age of crises

studiostoks/Shutterstock Oliver Laasch, University of Manchester It’s been a tough few years for people who own or manage a business. Lockdowns shut down whole industrial sectors worldwide, turning profitable businesses into loss-making ones, while a lot of smaller businesses went under. Many companies will now be hoping for a return to some type of normality after COVID. However, there are …

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COVID: how anti-vaccine influencers exploit mothers

Cookie Studio/Shutterstock Stephanie Alice Baker, City, University of London and Michael James Walsh, University of Canberra Opposition to vaccination has existed for as long as vaccination itself. Ever since widespread smallpox vaccination began in the early 1800s, there have been cycles of questioning the safety and efficacy of particular vaccines. The media has played a primary role in publicising these …

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Deltacron: what scientists know so far about this new hybrid coronavirus

Naeblys/Shutterstock Luke O’Neill, Trinity College Dublin In many countries, as restrictions lift and freedoms are restored, there’s a general feeling that the pandemic is over. There is, however, still the significant concern that a dangerous new variant could emerge. This happened when omicron arrived, but we got lucky with that one. Omicron turned out to be more transmissible, but mercifully …

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