Tens of thousands of households in England are being asked to take part in a new study to track the spread of COVID-19.
The research is aimed at understanding the current rate of infection and how many people have developed antibodies to the coronavirus.
The first part of the study will involve around 20,000 households in England, chosen to be representative of the UK population in age and geography.
What do you think? Should we try something similar? Can we afford self-testing kits for everyone?