Tag Archives: Coronavirus vaccines

Long COVID: double vaccination halves risk of developing long-lasting

symptoms Studio Romantic/Shutterstock Claire Steves, King’s College London In unvaccinated people, around one in 20 who get symptomatic COVID-19 experience symptoms for at least eight weeks. Around one in 50 have symptoms that drag out for three months or more. We wanted to know whether COVID-19 vaccines might protect against developing long-lasting symptoms. To find out, we looked at data …

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COVID infections may give more potent immunity than vaccines – but that doesn’t mean you should try to catch it

Charlotte Thålin, Karolinska Institutet Israel was way ahead of the rest of the world when it came to COVID vaccination, so it’s not surprising that data from this corner of the Mediterranean causes a lot of excitement – it’s a glimpse into the future. Indeed, this happened recently when researchers at Maccabi Healthcare Services in Tel Aviv released a preprint …

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COVID-19: Extending the gap between vaccine doses was the right thing to do

Paul Hunter, University of East Anglia Increasing the gap between COVID-19 vaccine doses (up to a maximum of 12 weeks) was one of the more controversial decisions made by the UK government during the pandemic. Medical experts came out for and against the plan when it was announced in January 2021. Faced with the new delta variant, experts are once …

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COVID-19 vaccines: why it’s important you get your second dose

Rebecca Aicheler, Cardiff Metropolitan University Vaccination is the safest way to gain immunity to the coronavirus, and with most COVID-19 vaccines, you need two doses to get the greatest possible protection. Immunologists call this method of giving people multiple doses “prime-boosting”. Essentially, you first teach the immune system what it is looking for – you prime it with the first …

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Cuba’s race to make its own coronavirus vaccine – podcast

Daniel Merino, The Conversation and Gemma Ware, The Conversation In this episode of The Conversation Weekly podcast, how Cuba is pushing ahead with developing its own coronavirus vaccines – and could be nearing “vaccine sovereignty”. And we hear from a researcher about what he learned from asking hundreds of people about the biggest decisions of their lives. Throughout 2020, the …

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Backlash against Johnson & Johnson’s COVID-19 vaccine is real and risky – here’s how to make its rollout a success

The concern is about more than one shot vs. two. Michael Ciaglo/Getty Images Tinglong Dai, Johns Hopkins University School of Nursing; Christopher S. Tang, University of California, Los Angeles, and Ho-Yin Mak, University of Oxford More than 50 million Americans have received at least one dose of either the Pfizer or Moderna COVID-19 vaccine. So far, Americans have been largely …

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COVID vaccine weekly: a new race is emerging between variants and boosters

Rob Reddick, The Conversation Updated versions of already authorised COVID-19 vaccines, tweaked to deal with new variants of the coronavirus, will not have to go through a lengthy testing and approval process, the UK Medicines and Healthcare Products Regulatory Agency has said. The announcement follows a week in which UK authorities have desperately tried to contain the spread of P1, …

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How to make COVID vaccines more effective: give people vitamin and mineral supplements

simplystocker/Shutterstock Margaret Rayman, University of Surrey and Philip C Calder, University of Southampton If we’re going to rely on COVID-19 vaccines to bring an end to the pandemic, we need to maximise their effects. But one thing that risks undermining their protectiveness is nutritional deficiency, particularly in the elderly. Older people have weaker immune responses and are known to respond …

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