Coronavirus: What is the R number and how is it calculated?
The simple but crucial number at the heart of lockdown decisions across the UK.
Author Archives: BBC News - Health
Coronavirus: How does Covid-19 test-and-trace work?
The scheme told Dido Harding she had to self-isolate, a week after her husband was also told to isolate.
Remdesivir: Drug has ‘clear cut’ power to fight coronavirus
The data on its effect on symptoms comes from a trial of more than 1,000 patients in the US.