Plan A was to let the virus rip through the country so we could build 'herd immunity.'


Plan B is to do what others countries are doing and try to flatten the curve.
Why did he change his mind? Did he cave in to public pressure? Or did he take advice from someone? That's what matters. If it's the former, then he's weak. If it's the latter, that's a sign of strength.

The "herd immunity" thing has become a buzzword for people who wish to have a dig at him. When we talk about "herd immunity", it's not total bollocks. If 80% are immune to a virus, then the remaining 20% cannot cause a pandemic. That's the logic behind it, and I would assume that it's based on rigorous science. It just can't spread fast enough, it ceases to be exponential.

Whether such immunity happens against this virus is another matter; if it were flu then it would be a near certainty, but it's not flu. If I were calling the shots, I'd be taking the advice of my chief medical advisor on this matter, who in turn would be drawing on the expertise of respected virusologists (yes I made that word up).

I don't think he pulled that phrase out of his arse. I think it's based on what he was being told at the time by his advisors.