Concerns over AstraZeneca vaccine To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video04/07/2021April 7, 2021Viral infection and vaccine expert Muhammad Munir tells Brent Goff that the decision to halt AstraZeneca vaccine trials and restrict vaccinations is an indication that healthcare safeguards are workinghttps://p.dw.com/p/3reLZAdvertisement