How does the hard lockdown work - and do the anti-corona measures need to be tightened?

This is a question that drives politics.

In the past few weeks she could only rely on an uncertain number of figures.

The holidays made it particularly difficult to draw reliable conclusions from the data from the Robert Koch Institute (RKI): In the period around Christmas and New Year, fewer people went to the doctor to get tested;

many laboratories and health authorities also switched to holiday mode.