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Britain’s medicine regulator on Thursday said there had been a further 41 reports of rare blood clots after doses of AstraZeneca’s COVID-19 vaccine, but that the benefits of the shot continued to outweigh the risks for the majority of people.
In a weekly update on side effects from COVID-19 vaccines, the Medicines and Healthcare products Regulatory Agency (MHRA) said there were a total of 209 clots with low platelet counts following vaccination with AstraZeneca's shot, compared to a total of 168 reported last week.
There has been scrutiny of the AstraZeneca vaccine on the issue of the very rare clots, with a higher incidence in younger people. Some countries, including Britain, have recommended that only people over a certain age get the shot.
There were 41 deaths following the clots in Britain, the MHRA said, an increase of 9 from last week’s figures, although experts say historic cases might still be feeding through to the totals, and the clots are set to remain a rare event.
About 22 million first doses of the AstraZeneca vaccine have been administered in Britain. Four cases of rare clotting were reported following a second dose, but the MHRA did not say how many second doses had been given.
Britain has advised that under-30s receive an alternative to the AstraZeneca-Oxford vaccine, after the MHRA medicine regulator found there was evidence of a link to rare clots with low platelet levels, and officials are considering whether to change advice for people under 40 too. - Reuters
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