COVID 19 Oxford-AstraZeneca vaccine

COVID 19 Oxford AstraZeneca vaccine shows strong immune response in elderly

The Oxford-AstraZeneca Covid-19 vaccine candidate shows a strong immune response in adults in their 60s and 70s, according to researchers, raising hopes that it can protect age groups most at risk from the virus. Three vaccines – Pfizer-BioNTech, Sputnik and Moderna – have already reported good preliminary data from phase three trials, with one suggesting …

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