article, Paul Romer suggested that as nations come out of lockdown, they should be adopting an “identify and isolate" strategy.
To do this, they need to dramatically increase the volume of their testing. His recommendation for the US is that everyone should be tested once every two weeks—an approach that translates to 25 million tests per day in that country alone.
This frequency is necessary because there is no guarantee that someone who tests negative today will not get infected tomorrow.
Read more on livemint.com