It comes after some MPs criticised the government's plan to quarantine people coming to the UK for 14 days.
The head of the UK's statistics watchdog writes to Matt Hancock, saying data is "far from complete".
Over 2,500 deaths linked to virus in most recent week, but overall fatalities still higher than normal.
Public Health England has analysed why more people from BAME backgrounds are dying with coronavirus.
Broadcasters and the music industry reflect on the death of George Floyd in police custody last week.