Come on, relax... this is a new virus, the vaccines are even newer, problems were not unexpected and we're damn lucky to have them already. Even if over-60s can't be vaccinated (and my understanding is that the Sputnik trials for over 60s and under 18s are simply not finished yet), if community transmission in under 60s is stopped, then everyone else will be protected pretty well.
I was initially a bit dismissive of the Sputnik vaccine, believing it to be a copy of the Oxford one, but it seems to be an original development using a different virus vector, and the fact that the fact that the Oxford team are looking at a combined vaccine speaks volumes about the seriousness of the development.
Oh, and the Biontech vaccine isn't recommended for people with severe allergies, why aren't you all screaming about that?
I will say that Argentina needs to get its shit together and negotiate a deal with Pfizer / Biontech, what I'm reading about that negotiation is just stoopid.
So, relax, be careful, and remember you have to make it through to March at least to get a vaccine and play in the roaring 20s as The Economist has it ;-)