New Delhi, April 30: In a significant acknowledgment, AstraZeneca has conceded in court documents that its Covid-19 vaccine, marketed globally under various brand names including Covishield and Vaxzevria, may lead to a rare side effect. The revelation was disclosed in legal papers submitted to the UK High Court in February, as reported by various media outlets.

The pharmaceutical giant stated in the document that a rare side effect known as Thrombosis with Thrombocytopenia Syndrome (TTS) ...