Quote Originally Posted by Gofer Blue View Post
The article you quote says "The AstraZeneca vaccine trials have been halted after the drug gave adverse reaction to a trial participant in the UK". Presumably this is just one participant out of thousands? It seems a bit dramatic to halt the whole trial - I guess it must have been a severe adverse reaction?
there will be predetermined acceptance criteria for the trial, and you have to consider that one adverse reaction in however many vaccines they've trialled so far could scale up to a lot when. you roll it out to millions of people