The Pfizer Covid vaccine increased the risk of heart problems for children sixfold in the first week of having the jab but led to fewer cases in the long term, research suggests.
Britain on Wednesday became the first country in the world to approve the COVID-19 vaccine developed by U.S. drugmaker Pfizer and its German partner BioNTech , , and said it will be rolled out from ...
LONDON, Sept 14 (Reuters) - Inhaled versions of COVID-19 vaccine candidates developed by Oxford University and Imperial College will be trialled to see if they deliver a localised immune response in ...
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