I wonder if that nasal swab doesn't have to go in as far as the ones they've been using? I don't think you could force yourself to shove it in far enough if you were doing this yourself -- apparently the "professional" ones have to go in all the way back, and are painful. Wish they'd give us more details on it.

There is an Israeli company that is developing a breath test. It measures the percentages of certain compounds that are present in the breath of people who are infected with COVID. I'll believe that one when I see it, sounds like there would be lots of room for error there.