A file image shows a medical syringe with AstraZeneca’s company logo displayed on a screen in the background. (Photo Illustration by Rafael Henrique/SOPA Images/LightRocket via Getty Images) BERLIN - Several German regions again suspended AstraZeneca shots on Tuesday for people under 60 after new reports of unusual blood clots, prompting Chancellor Angela Merkel to call an urgent meeting about the continued use of the coronavirus vaccine.The news is the latest blow to the vaccine, which is critical to Europe’s immunization campaign and a linchpin in the global strategy to get shots to poorer countries.