An official with the European Medicines Agency said Tuesday that there is a “clear link” between the AstraZeneca vaccine and deadly blood clots in the brain. Marco Cavaleri, the chair of the vaccine evaluation team at the EMA, told the Italian newspaper Il Messagero that in his opinion, “we can now say it is clear that there is an association (of the brain blood clots) with the vaccine.” Cavaleri added that while he was sure that there was a “clear link” with the AstraZeneca vaccine and blood clots, it is still not yet known what the actual cause of the...