Tag Archives: PUBLIC HEALTH

COVID: how the disease moves through the air

Alexander Limbach/shutterstock Lena Ciric, UCL; Abigail Hathway, University of Sheffield; Benjamin Jones, University of Nottingham, and Chris Iddon, University of Nottingham Masks have been a common sight all over the world since SARS-CoV-2, the novel coronavirus, invaded our lives. We set out to investigate if they work. Our goal was to find out how the virus travels through the air …

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How effective are vaccines against omicron? An epidemiologist answers 6 questions

Understanding how much protection a vaccine offers is not as simple as it sounds. Andriy Onufriyenko/Moment via Getty Images Melissa Hawkins, American University The pandemic has brought many tricky terms and ideas from epidemiology into everyone’s lives. Two particularly complicated concepts are vaccine efficacy and effectiveness. These are not the same thing. And as time goes on and new variants …

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In the world’s largest Muslim population, most parents support sexual health education in schools

Young people participating in the 2018 Women’s March in Yogyakarta, Indonesia. (The Conversation Indonesia/Luthfi T. Dzulfikar), CC BY-NC-ND Jacqueline Hendriks, Curtin University Schools play an important role in ensuring that young people receive comprehensive education about relationships and sexual health. Based on three decades of research from around the world, we know that school-based education is highly effective. It supports …

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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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What has changed for rural South African women in the last 25 years

Rural women in Agincourt, South Africa, with water collection containers. Lauren Porter Ryan G Wagner, University of the Witwatersrand; Chodziwadziwa Whiteson Kabudula, University of the Witwatersrand, and Daniel Ohene-Kwofie, University of the Witwatersrand South Africa has experienced tremendous change over the last quarter century: the first democratically elected government, the HIV/AIDS pandemic, changing health, social and economic policies and now …

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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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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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¡Ojo, piojos! ¿Cuál es la mejor forma de eliminarlos?

Shutterstock / O.PASH Marta González Álvarez, Universidad Miguel Hernández; Isabel Gonzalez-Alvarez, Universidad Miguel Hernández, and Maria del Val Bermejo Sanz, Universidad Miguel Hernández Casi todos aquellos que tengan o hayan tenido hijos e hijas sabrán de lo que hablamos. El día menos ansiado en el que observa que su hijo no para de rascarse y le confirma que le pica …

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England and Wales are adding fluoride to water – but what effect will it have?

Fluoride is a mineral that can occur naturally in water. sonsart/ Shutterstock Damien Walmsley, University of Birmingham and Alexander John Morris, University of Birmingham The UK government recently indicated that fluoride would be added to water in England and Wales to cut tooth decay. A bill is proceeding through parliament to support this. And the chief medical officers of all …

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