Oxford's coronavirus vaccine linked to bleeding disorder in rare cases

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Scientists reported that for every 100,000 first doses of the AstraZeneca jab that are administered, around one case of idiopathic thrombocytopenic purpura (ITP) arises – a bleeding disorder caused by an insufficient number of platelets.

The University of Oxford-AstraZeneca coronavirus vaccine has been linked to a bleeding disorder. vaccine may trigger a bleeding disorder in rare cases, research suggests.the disease caused by the infection.

The risk of developing ITP is also considerably higher with the coronavirus itself than any of its vaccines, with experts urging people to get immunised when called up. The unusual clots that have been linked to the vaccine are thought to occur at a rate of 1.3 per 100,000 first doses. ITP is "likely to be a manifestation of this general condition".

The team combed through the 5.4 million participants' medical records, dating back to September 2019, to gauge whether any clotting or ITP events would have been expected to occur outside of the pandemic.Results – published in the journal Nature Medicine – suggest there was a "slight increase" in ITP events in the second week after an Oxford-AstraZeneca vaccine, as well as a "possible" rise in artery clots and general bleeding.

Professor Stephen Evans from the London School of Hygiene & Tropical Medicine agreed, adding: "This bleeding disorder occurs very frequently in COVID-19 itself, perhaps as much as 340 [cases] per 100,000 people getting the disease."Long COVID patient unable to work a year after catching coronavirus "We do not know in patients who present post-vaccine whether this was a new problem or highlighting an underlying disorder."Watch: What is long COVID?

 

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