Not unless they are going to send people home if they are positive or forcibly quarantine them and perform contact tracing and further testing. Thus far most western governments have strongly resisted enacting such measures.
You can't safely open up without employing either highly accurate testing + rapid testing + forced quarantine + contact tracing, or having your population immunized. It's pretty much that simple.
You can't safely open up without employing either highly accurate testing + rapid testing + forced quarantine + contact tracing, or having your population immunized. It's pretty much that simple.