AstraZeneca COVID vaccine linked with small risk of low blood platelets: Study

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Sumary of AstraZeneca COVID vaccine linked with small risk of low blood platelets: Study:

  • The Oxford-AstraZeneca vaccine, known in India as Covishield, may be associated with a very small risk of developing a blood condition characterised by low platelet counts, according to a nationwide study in the UK..
  • A low number of platelets — blood cells that help prevent blood loss when vessels are damaged — can result in no symptoms or can lead to an increased risk of bleeding or, in some cases, clotting, they said..
  • The researchers were unable to establish a definitive link between other forms of clotting — including the rare form called cerebral venous sinus thrombosis or CVST — due to the very low number of cases in vaccinated people included in the study..
  • UK’s Medical and Healthcare products Regulatory Agency (MHRA) had previous reported low platelet counts in combination with blood clots following vaccination with the AstraZeneca vaccine, estimated to occur at a rate of approximately 13 per million first doses..
  • The researchers, including those from the universities of Strathclyde, Aberdeen, Glasgow, Oxford, Swansea and St Andrew’s, also looked at health records dating back to September 2019 to investigate any previous issues with ITP, clotting or bleeding disorders..
  • PTI The Oxford-AstraZeneca vaccine, known in India as Covishield, may be associated with a very small risk of developing a blood condition characterised by low platelet counts, according to a nationwide study in the UK….

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