British regulators say they have identified 30 cases of rare blood clot events after the use of the AstraZeneca COVID-19 vaccine, which is 25 more cases than the agency previously reported.
On March 18, the UK medicines regulator said there were five cases of a rare brain blood clot among eleven million administered shots.
However On Thursday, it put the count at twenty-two reports of an extremely rare brain clotting ailment, and eight reports of other clotting events associated with low blood platelets out of a total of 18.1 million doses given.
The health officials said they, however, still believed the benefits of the vaccine in the prevention of COVID-19 far outweigh any possible risk of blood clots.
The Medicines and Healthcare products Regulatory Agency said it had received no such reports of clotting events following use of the vaccine made by BioNTech SE and Pfizer Inc.
In the meantime, some countries are restricting use of the AstraZeneca vaccine while others have resumed inoculations, as investigations into reports of rare, and sometimes severe, blood clots continue.
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