AstraZeneca has announced the withdrawal of its COVID-19 vaccine, Vaxzevria, from global markets due to a dangerous side effect known as Thrombosis with Thrombocytopenia Syndrome (TTS). The pharmaceutical company confirmed its voluntary withdrawal from the European Union, where its marketing authorisation has ceased as of Tuesday. Similar actions are expected in the UK and other countries where it is approved.AstraZeneca claims the withdrawal is driven by commercial reaons, as the vaccine has be...