. >> reporter: case in point, says romer: the siva test approved last week. >> you just spitn a tube, much better than those, those swabs, but it took almost a month for the f.d.a. to say, okay, well, somebody can spit in the tube without being physically presenn ront of a health care professional who watches them akile they do it. and i mean if it a month to make a decision like that, we're never going to get to the faster, cheaper, better tests that we need. >> reporter: what about people stwho've gotten the blood that shows thathey have antibodies so they must have had the virus? are they then okay? is that a testpehat will allow le to just go back into the world? >> reporter: so you can't restart an economy with just the five percent who've got antibodies. you've got to let the virus run through the community and get ti 60, 70% with antibodies. but it's a horrific path to get there, because a million people are gointo die along the way. and it'll take a year for that kind of process to work through ole economy. >> reporter: what's your biggest >> the biggest risace islly? that the