I give back personally to those I really see the need. Like I see them personally. rarely on organizations where they get cuts on the donated cash. I try not to give cash. But things or food that they need.
I dont think i would at the first onset of the vaccines. 1st phases of vaccines or even tech items or anything really is almost at the prototype phase where it is prone to error. or shall I say "unknown issues". it will take me years of convincing to get this. unless it was a requirement that die die I cannot say no to.