To combat corona virus. This paper by academics at Imperial College, London, has frightened many politicians with the suggestion that social distancing may need to carry on for 18 months paper 
> Two fundamental strategies are possible: (a) mitigation, which focuses on slowing but not necessarily stopping epidemic spread – reducing peak healthcare demand while protecting those most at risk of severe disease from infection, and (b) suppression, which aims to reverse epidemic growth, reducing case numbers to low levels and maintaining that situation indefinitely. Each policy has major challenges
To combat corona virus. This paper by academics at Imperial College, London, has frightened many politicians with the suggestion that social distancing may need to carry on for 18 months paper
Summary...
> Two fundamental strategies are possible: (a) mitigation, which focuses on slowing but not necessarily stopping epidemic spread – reducing peak healthcare demand while protecting those most at risk of severe disease from infection, and (b) suppression, which aims to reverse epidemic growth, reducing case numbers to low levels and maintaining that situation indefinitely. Each policy has major challenges