Yet other countries spotted these problems as early as early March
Controversy regarding blood clots
In early March 2021, the
Danish Health Authority put vaccination with Vaxzevria on hold following reports of severe cases of blood clots.
The
EMA noted that 30 cases of
blood clots, or thrombosis, had occurred following Vaxzevria administration to around 5 million people in the European Economic Area. This included one fatal case in Denmark.
In particular, the EMA observed thrombosis cases alongside
thrombocytopenia, which is a condition of low blood platelet counts. It also observed multiple types of thrombosis, including unusual cases of
cerebral venous sinus thrombosis, which is a rare occurrence of blood clots in the brain."
In this Snapshot, we take a closer look at the potential side effects associated with the Oxford-AstraZeneca COVID-19 vaccine, also known as Vaxzevria.
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