Paul Romer, an economist at NYU, has been advocating for testing millions of people a day for a few weeks. He is co-author of a piece in The Atlantic, "Without More Tests, America Can’t Reopen", https://www.theatlantic.com/ideas/archive/2020/04/were-testi...
Googling for "romer covid 19" should turn up a lot of news sources covering the notion of testing millions of people a day.