Tag Archives: coronavirus

Top Kenyan scientist shares the joys and challenges of creating life-saving vaccines

Rift Valley Fever virus, 3D illustration. Kateryna Kon/Shutterstock George Warimwe, University of Oxford Professor George Warimwe should be a household name in Kenya. He’s a leading scientist who has created a life-saving vaccine against Rift Valley Fever. He is also leading policy-changing work on Yellow Fever vaccines. Warimwe has now been awarded the Royal Society Africa Prize for his work …

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Will omicron – the new coronavirus variant of concern – be more contagious than delta? A virus evolution expert explains what researchers know and what they don’t

The omicron variant possesses numerous mutations in the spike protein, the knob-like protrusions (in red) that allow the virus to invade other cells. Juan Gaertner/Science Photo Library via Getty Images Suresh V. Kuchipudi, Penn State A new variant named omicron (B.1.1.529) was reported by researchers in South Africa on Nov. 24, 2021, and designated a “variant of concern” by the …

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The hunt for coronavirus variants: how the new one was found and what we know so far

Scientists find variants by sequencing samples from people that have tested positive for the virus. Lightspring/Shutterstock Prof. Wolfgang Preiser, Stellenbosch University; Cathrine Scheepers, University of the Witwatersrand; Jinal Bhiman, National Institute for Communicable Diseases; Marietjie Venter, University of Pretoria, and Tulio de Oliveira, University of KwaZulu-Natal Since early in the COVID pandemic, the Network for Genomics Surveillance in South Africa …

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Novavax COVID vaccine is nearing approval – but what impact will it have?

oasisamuel/Shutterstock Michael Head, University of Southampton The pandemic has been rumbling on for two years and is probably going to rumble on for years to come. And despite recent excitement about new drugs to treat COVID, it’s still vaccines that will underpin each country’s route out of the pandemic. Immunisation has proven a highly effective way of stopping people from …

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Merck v Pfizer: here’s how the two new COVID antiviral drugs work and will be used

Nina Drozdowa/Shutterstock Alexander Edwards, University of Reading We’ve waited 20 months for a medicine to blunt the coronavirus, and now two have appeared. Earlier this month, the UK medicines regulator approved molnupiravir, the COVID antiviral developed by Merck and Ridgeback Therapeutics. Among adults with mild to moderate COVID who were at risk of developing serious disease, it cut the chances …

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Ya disponemos del primer fármaco por vía oral contra la covid-19: el molnupiravir

Shutterstock / Quality Stock Arts Francisco López-Muñoz, Universidad Camilo José Cela and Jose Antonio Guerra Guirao, Universidad Complutense de Madrid Desde el inicio de la pandemia de covid-19, las compañías farmacéuticas comenzaron una desesperada carrera por obtener un agente antiviral capaz de detener la replicación y transmisión del coronavirus SARS-CoV-2. Además, han estudiado diferentes fármacos para el tratamiento sintomatológico de …

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Gargling with iodine won’t stop you getting COVID

Roger Tisi, Anglia Ruskin University Social media is awash with bogus COVID treatments. First, there was hydroxychloroquine, then bleach, followed hard on the heels by ivermectin – a cattle dewormer. The latest on the scene is povidone-iodine, an antiseptic. Some people have claimed on social media that gargling with iodine can prevent the spread and severity of a COVID infection, …

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COVID: new antibody treatment could offer up to 18 months’ protection against severe disease

Antibodies (light blue) binding to the spike proteins (dark purple) on the outside of the coronavirus. Design_Cells/Shutterstock Rebecca Aicheler, Cardiff Metropolitan University A new treatment could soon help protect people from developing severe COVID. AstraZeneca has just released results from a phase 3 clinical trial – the final stage of testing before a drug is authorised – that suggest its …

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Preliminary research finds that even mild cases of COVID-19 leave a mark on the brain – but it’s not yet clear how long it lasts

The new findings, although preliminary, are raising concerns about the potential long-term effects of COVID-19. Yuichiro Chino via Getty Images Jessica Bernard, Texas A&M University With more than 18 months of the pandemic in the rearview mirror, researchers have been steadily gathering new and important insights into the effects of COVID-19 on the body and brain. These findings are raising …

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