I strongly recommend listening to today's edition (yes it's all about CV19 again). Catch up on BBC Sounds, radio 4, 9:00.
In half an hour it takes a critical look at:
The R number (index of virus transmission in the community) and its significance.
The national test programme: how are we really doing in relation to government targets?
Social distancing: the science behind the two metre rule.
Vitamin D supplementation: can it boost your chances of survival?