Our youngest grand kid is 19 and in great health with good longterm DNA.
If he lives as long as his Grand Parents,(80+), he will probably never see a vaccine that works against CV19.
A vaccine that works for CV19 will become the National Wet Dream as they keep us locked up and bankrupting the economy!
A vaccine from the guy who wants to eliminate 250 million people from the world? My Spydysense says no thanks!