Yes
It went humna-mink-human.
Also
World cases is estimated 56M.
With pop at 7B!
If the vaccine turns out to be a shit deadly at even 0.00001% and we have all these fearsome people scrambling to get first dibs, lets say we get all first g20 world pop at 4B then it is a big deal if the vaccine is bad, because the cure is just as deadly/ hazardous.
And everyones actively trying to get their hands on it.