Revisions and Stability

It is difficult to estimate how many new infections there are.

Robert Peston (ITV) wrote an article with the headline:

Covid: Did Boris Johnson order England’s coronavirus lockdown based on false data?

The answer is: no. In October, the COVID-19 infection survey showed rising positive test results. This was one of many sources which suggested the same pattern.

It is difficult to estimate new infections each day. This is different to how many people have an infection, in…