It's not going to be a one-shot vaccine. The least I would think have even the possibility of working is six initial shots (not all the same) given on a very st

It's not going to be a one-shot vaccine. The least I would think have even the possibility of working is six initial shots (not all the same) given on a very strict schedule, followed by a booster every six months. I would not be surprised if it was twice that for something that actually worked.