What I still can't wrap my head around is that they vaccinated the control group after less than a year and got away with it. Here we are, with a novel coronavirus, a novel vaccine technology and a novel vaccine, and we can't even do a 2 year longterm study.
> "During that visit we discussed the options, which included staying in the study without the vaccine," he says, "and amazingly there were people — a couple of people — who chose that." He suspects those individuals got spooked by rumors about the vaccine. But everybody else who had the placebo shot went ahead and got the actual vaccine. So now Fierro has essentially no comparison group left for the ongoing study.
> "During that visit we discussed the options, which included staying in the study without the vaccine," he says, "and amazingly there were people — a couple of people — who chose that." He suspects those individuals got spooked by rumors about the vaccine. But everybody else who had the placebo shot went ahead and got the actual vaccine. So now Fierro has essentially no comparison group left for the ongoing study.
https://www.npr.org/sections/health-shots/2021/02/19/9691430...