But indeed, I don’t understand why the number of infected people suddenly decreases at the end of November. An explanation would be helpful.
As henryaj says above, the UK was in a national lockdown Nov 5 - Dec 2. Accounting for a lag in catching it → positive test, that matches the graph reasonably well
As henryaj says above, the UK was in a national lockdown Nov 5 - Dec 2. Accounting for a lag in catching it → positive test, that matches the graph reasonably well