The suspended rollout of AstraZeneca Plc’s Covid-19 vaccine in some European Union countries over concerns about possible side effects could delay a goal of immunizing three-quarters of their populations against the resurgent coronavirus by as much as a month.
The precautions could push back efforts to hit that threshold by at least a couple of weeks and potentially longer -- to September instead of August -- according to London-based research firm Airfinity Ltd.
