AdvertisementEuropean Medicines Agency Finds AstraZeneca Vaccine Safe And EffectiveMarch 18, 2021Laurel WamsleyfacebookEmailDr. Sabine Straus, chair of the European Medicines Agency's Pharmacovigilance Risk Assessment Committee, said Thursday that the committee had concluded there is no increase in the overall risk of blood clots with the AstraZeneca vaccine. (YouTube/European Medicines Agency)