I would agree with you here ..... under the present circumstance. That could change and quickly. The FDA just last week approved the use of Saliva screening tests for SARS-CoV-2 infections. This category of tests will slightly improve test to results time but these particular saliva tests still require machine processing in labs with the attendant delays in processing time. That's not fast enough to contain the virus. To do that requires quick ID of those infected and isolation then tracking con