The costs behind UK's said herd immunity plan against coronavirus

Facing the coronavirus pandemic, the approach of governments  around the world are not similar, and in some cases totally different from each other. The weirdest and wildest one may come from the UK when its government's chief scientific adviser Sir Patrick Vallance has declared something like “Around 60% of the UK population will need to become infected with coronavirus in order for society to have herd immunity from future outbreaks”.

It sounds perfectly strategic, right? But let’s a have look at the unavoidable costs of such a strategy.