To safely lift lockdown restrictions, countries need to have a low number of daily new cases and the capacity to conduct extensive testing and contact tracing
Source:
https://www.newscientist.com/article/2244056-how-can-countries-know-when-its-safe-to-ease-coronavirus-lockdowns/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home