Several nations have paused AstraZeneca version over concerns about clots
                                
                                
                                    (Newser) -
                                    Controversy over the  AstraZeneca vaccine  is putting Europe further behind schedule on vaccinations. The goal is to inoculate 70% of the population by September, and no EU nation is on track to meet that deadline, reports the  New York Times . Germany, Spain, France, and Italy are among the nations that...