FILE – In this Sunday, March 21, 2021 file photo, a vial of of the AstraZeneca COVID-19 vaccine at the Guru Nanak Gurdwara Sikh temple, on the day the first Vaisakhi Vaccine Clinic is launched, in Luton, England. A top official at the European Medicines Agency says there’s a causal link between the AstraZeneca coronavirus vaccine and rare cases of blood clots, but he says the benefits of getting the vaccine still outweigh the risks, it was reported on Tuesday, April 6, 2021. (AP Photo/Alberto Pezzali, File)