It depends what's more effective: These groups are different: do you jab first those who can most easily spread it, those who would most easily get it or those

It depends what's more effective: These groups are different: do you jab first those who can most easily spread it, those who would most easily get it or those who would most severely be impacted if they got it. I think whilst we all want to be safe, ultimately in a year or so, most of the population won't be getting this shot on a regular basis.