Sri Lanka, April 30 -- April 30 (Daily Mail) - AstraZeneca has admitted in court for the first time that its COVID jab can cause a deadly blood clotting side effect.

The exceedingly rare reaction is at the heart of a multi million-pound class action by dozens of families who allege they, or their loved ones, were maimed or killed by the pharmaceutical titan's 'defective' vaccine.

Lawyers representing the claimants believe some of the cases could be worth up to £20m in compensation.

Cambridge-based AstraZeneca, which is contesting the claims, acknowledged in a legal document submitted to the High Court in February that its vaccine 'can, in very rare cases, cause TTS'.

TTS is short for thrombosis with thrombocytopenia syndrome - a ...