0 shares A man seen through plastic sheets gets a bandaid applied on his arm by a member of the medical staff after getting an AstraZeneca vaccine at a vaccination center in Bucharest, Romania, Wednesday, April 7, 2021.(AP Photo/Vadim Ghirda) PARIS — A European Medicines Agency (EMA) recommendation Wednesday that a dangerous type of blood clot should be listed as a “very rare side effect” of the AstraZeneca jab stopped just short of saying there is a causal link between the vaccine and the deadly condition. Questions have persisted for weeks on whether highly unusual blood clots among those getting the AstraZeneca vaccine against Covid-19 were more frequent than in the general population, and what causes them if they were.