This analysis from The Times of London provides critical information on the strategy for successfully tackling the coronavirus following the example of South Korea and progress in Britain.
The random community testing is key to getting an idea of the scale of infections in the community at large. The critical ratio called reproduction ratio tell one if the virus is under control and how lockdowns can be lifted. For Britain this 0.7 estimated by Imperial College. It has a 2 week lag. 1.0 or close to 1.0 is not good. Germany after being at about 0.7 has moved up to 1.0 with 2 week lag in information says the Robert Koch Institute. This means a lot of work ahead, it won't be easy.
Original article 1 minute, gist 1 minute