Moderna vaccine rollout welcomed in UK as AstraZeneca children’s trial is paused

Assessments are under way into a very rare and specific type of blood clot in the brain, known as cerebral venous sinus thrombosis (CVST), occurring together with low levels of platelets (thrombocytopenia) following vaccination in adults.

The Moderna vaccine is being rolled out in Wales from Wednesday. Picture: Nick Potts/PA

A third coronavirus vaccine is being rolled out in the UK, as investigations continue into a potential association between the Oxford/AstraZeneca jab and a rare form of blood clot.

People in Wales will receive the first doses of the Moderna vaccine on Wednesday.