Staged reopening during the COVID-19 pandemic must include testing, isolation, and contact tracing according to many public health experts. https://www.washingtonpost.com/outlook/we-could-stop-the-pandemic-by-july-4-if-the-government-took-these-steps/2020/05/15/9e527370-954f-11ea-9f5e-56d8239bf9ad_story.html