Tag Archives: COVID-19 vaccines

COVID vaccine weekly: AstraZeneca is safe and effective, but facing supply issues

Megan Clement, The Conversation The European Medicines Agency has said that the Oxford/AstraZeneca vaccine is safe and effective, and not associated with an increased overall risk of developing blood clots. The regulator conducted a review of the vaccine after a small number of people developed blood clots in Europe after receiving the vaccine. Thirteen countries suspended the use of the …

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Data suggest no increased risk of blood clots from the AstraZeneca vaccine. Australia shouldn’t pause its rollout

Nigel William Crawford, Murdoch Children’s Research Institute; Hazel Clothier, Murdoch Children’s Research Institute, and Jim Buttery, The University of Melbourne Germany, France, Spain and all of Italy also paused their AstraZeneca rollouts, shortly after this article was published. Ireland and the Netherlands have temporarily paused their rollouts of the AstraZeneca COVID vaccine, due to concerns about blood clots. The move …

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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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Intellectual property and COVID-19 medicines: why a WTO waiver may not be enough

A medic administers a COVID-19 vaccine in Mumbai. India and South Africa have led efforts to get a waiver on intellectual property rights. Pratik Chorge/Hindustan Times via Getty Images Enrico Bonadio, City, University of London and Dhanay M. Cadillo Chandler, University of Turku The COVID-19 pandemic, and the race to make vaccines and other useful technologies more accessible to people …

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COVID-19 vaccination: What we can learn from the great polio vaccine heist of 1959

In a pandemic, vaccines are in very high demand, and this threatens their supply. (Shutterstock) Paula Larsson, University of Oxford We find ourselves at a precarious time in global health. Many people are anxiously awaiting their turn to receive a vaccine for COVID-19, yet roll-out is slow and disorganized, with many countries facing supply shortages. The conditions are ripe for …

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Act like you’re carrying a dangerous coronavirus mutation – because you might be

Zania Stamataki, University of Birmingham South Africa has temporarily halted its rollout of the Oxford/AstraZeneca vaccine after a preliminary study (not yet released or reviewed by other scientists) found it provided limited protection against the South African coronavirus variant for mild and moderate cases of COVID-19. The variant, which has been found worldwide, has presented challenges for all the available …

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Should children get the COVID-19 vaccine?

Establishing public trust is now central to any decisions regarding the inoculation of our child population. (Shutterstock) Michael Hefferon, Queen’s University, Ontario As COVID-19 vaccination for adults rolls out, it’s time to consider the wisdom (or otherwise) of vaccinating our children. Indications to vaccinate a child population could include: A pandemic causing severe and widespread illness/mortality in the child population. …

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Oxford vaccine results are in: here’s how to ensure it is used

Tom Solomon, University of Liverpool The Oxford vaccine – developed in partnership with AstraZeneca – stops 70% of people developing COVID symptoms. And, depending on how the doses are given, may even protect up to 90% of people. This follows recent announcements from Pfizer and from Moderna that their vaccines provide greater than 90% efficacy. The positive news about COVID-19 …

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COVID-19 vaccines are coming – how will we know they work and are safe?

Adam Kleczkowski, University of Strathclyde Pfizer and BioNTech have just released interim results of their COVID-19 vaccine trial. Although it is not the only vaccine in the late stages of testing, the large size and careful design of the trial, not to mention the promising results, have caused understandable enthusiasm around the world. As we get nearer the long-awaited start …

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