Dr predrag kon: 'a 60 percent collective immunity likely after March' and when we will take off our facemasks

"I expect a collective immunity to the coronavirus, standing at around 60 percent of the population, to develop after March, provided that we vaccinate 20 percent of the population. Given that – basing this on a sample – the immunity stood at 20.7 percent in late August, and that the third wave is by far the largest, allowing us to assume that there are no fewer immune people, then vaccinating 20 percent of the population would create a significant barrier for the