FILE PHOTO: UK flag is reflected in a drop on a syringe needle in this illustration photo taken March 16, 2021. Picture taken March 16, 2021. REUTERS/Dado Ruvic/Illustration
FILE PHOTO: UK flag is reflected in a drop on a syringe needle in this illustration photo taken March 16, 2021. Picture taken March 16, 2021. REUTERS/Dado Ruvic/Illustration