EMA investigating Covid vaccines for link to bleeding disorder

covid-vaccine
Ema Investigating Covid Vaccines For Link To Bleeding Disorder
Several cases of immune thrombocytopenia have been reported under the EMA's vaccine safety monitoring process. Photo: NurPhoto.
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Thomson Reuters

The European Union's drugs regulator is investigating whether any of the three Covid-19 vaccines approved in the bloc might be linked to a blood clotting deficiency that can cause internal bleeding.

The European Medicines Agency (EMA) said on Friday that several cases of immune thrombocytopenia, a lack of platelets in the blood that can lead to bleeding and bruising, had been reported under its vaccine safety monitoring process.

"It is not yet clear whether there is a causal association between vaccination and the reports of immune thrombocytopenia," the EMA said.

The agency said it would assess reports of the condition in people who had received the Pfizer/BioNTech, AstraZeneca or Moderna vaccines.

European vaccination programmes have been upset in the last two weeks by reports that recipients of the AstraZeneca inoculation have suffered blood clots.

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The EMA has said there is no indication that the events were caused by the vaccination, a view that was echoed by the World Health Organisation on Friday. AstraZeneca also said it had found no evidence of increased risk of deep-vein thrombosis.

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