Bristol news The differences between the three UK Covid-19 vaccines PremierLeague-News.Com

PremierLeague-News.Com - More than 37 million people in the UK have received their first dose of a coronavirus vaccine

Bristol news The differences between the three UK Covid-19 vaccines PremierLeague-News.Com

PremierLeague-News.Com - More than 37 million people in the UK have received their first dose of a coronavirus vaccine

Bristol news  The differences between the three UK Covid-19 vaccines PremierLeague-News.Com
07 April 2021 - 13:15

PremierLeague-News.Com - Breaking Sport Transfer News ! People have been receiving coronavirus vaccines across the UK since December and there are now three in circulation - AstraZeneca, Moderna and Pfizer. The first tranche of vaccines were given to the most elderly and vulnerable people in society. However the roll out has since gathered pace, with more than 37 million people in the UK now receiving their first jab - and more than five million getting their second dose. The first vaccines to be used were the Pfizer vaccine, followed by the Oxford AstraZeneca jab. The third Moderna vaccine started being used in Wales this today, with Scotland also taking delivery of its first batch of jabs. It is expected that the Moderna vaccine will start going into peoples’ arms in England later this month. Several other vaccines are also being developed and are in the advanced stages of testing. What is the difference between the vaccines? Pfizer/BioNTech vaccine The Pfizer-BioNTech jab has been shown in studies to be 95% effective and works in all age groups. The jab is known as a messenger RNA (mRNA) vaccine. Conventional vaccines are produced using weakened forms of the virus, but mRNAs use only the virus's genetic code. An mRNA vaccine is injected into the body where it enters cells and tells them to create antigens. The Pfizer vaccine needs to be stored initially at very low temperatures, and can travel for no more than six hours after it leaves cold storage. It can then be kept in a normal fridge at 2C to 8C for a maximum of five days. Read More Related Articles When people in England will get Moderna coronavirus vaccine Read More Related Articles Bristol's new coronavirus cases in single figures as no further deaths recorded OxfordAstraZeneca jab The Oxford/AstraZeneca jab – called ChAdOx1 nCoV-19 – is made from a weakened version of a common cold virus (known as an adenovirus) from chimpanzees. It has been modified to look more like coronavirus, although it can't cause the illness, and it teaches the immune system how to fight off Covid-19, should it need to. Researchers have already used this technology to produce vaccines against a number of pathogens including flu, Zika and Middle East Respiratory Syndrome (Mers). The Oxford/AstraZeneca jab was approved for use by the MHRA on December 30.

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. The Oxford vaccine only needs to be stored at 2C to 8C. A nurse prepares a dose of the Moderna Covid-19 vaccine (Image: AP Photo/Jeff Chiu, File) The Moderna vaccine The UK has bought 17 million doses of the Moderna jab - enough for 8.5 million people. The vaccine's approval by the UK's Medicines and Healthcare products Regulatory Agency was announced on January 8. Latest research suggests efficacy against Covid-19 is 94.1 per cent, and efficacy against severe Covid was 100 per cent. It will be rolled out alongside the Pfizer and AstraZeneca jabs. The news that the Moderna jab will soon be in peoples's arms in England comes after Oxford University put its trial of the Oxford/AstraZeneca vaccine for kids and teens on hold amid concerns over blood clotting. Researchers say they are awaiting further information about the side-effect of the jab. The Medicines and Healthcare products Regulatory Agency (MHRA) is investigating a potential link between that jab and a rare form of blood clot. Concerns are taken 'very seriously' Adam Finn, a professor of paediatrics at the University of Bristol and who also sits on the Joint Committee on Vaccination and Immunisation (JCVI), said concerns over the Oxford/AstraZeneca jab are being taken “very seriously” and “very thoroughly” investigated. He told BBC Radio 4’s Today programme: “What stands out about them is that we see thrombosis, including thrombosis in the cerebral veins, all the time, but we don’t normally see them in association with a low platelet count – which is a small blood cell which is involved in blood clotting – and so that makes them stand out and makes us think that this is something a little bit different and out of the norm.” Mr Finn said this meant they wanted to understand why this was being caused and whether it is linked to the vaccine. Told there had been 30 cases of this kind of blood clot and seven deaths amid more than 18 million people receiving the jab, Mr Finn said it “could potentially” affect the rollout of the vaccine. He said: “Those figures quoted were up until March 24 and I think we’ll hear shortly what’s happened subsequent to that in terms of numbers of cases, but we can expect there will have been more in the interim.” Mr Finn highlighted that the risk of Covid-19 is greater for older people and therefore it likely favours them receiving the vaccine, adding: “What we urgently need to understand, if this is a causal thing, is whether that risk-benefit ratio stands up when you get down to younger ages."

Source = PremierLeague-News.Com

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