BMJ Opinion article14 Feb 2021 17:19
Thirdly, we need to rebuild local contact tracing capability to aggressively drive cases down further as restrictions are eased and to spot and stamp down on new outbreaks in the months and years to come. This includes easily accessible tests, testing of all close contacts, and financial and practical support to isolate for those who test positive and their contacts. Investment in quicker, easier tests (such as saliva tests, provided accuracy was reasonable) would be enormously useful in supporting this effort, as would other tools such as monitoring waste water for traces of the virus.