Quote Originally Posted by Witton Park View Post
Mike this is rubbish.

R = 4
It doesn't tell you how many have got it, but it tells you how many will get it.

If R was 4 pre lockdown, then 10-20 million would have had it before lockdown.

Or R wasn't 4.
Some different estimates of R:

https://www.mrc-bsu.cam.ac.uk/now-casting/