BBCNEWS Click November 27, 2021 12:39:00
To do your 60—second test, then? first, i will give you a swab and ask you to let saliva pool underneath your tongue. and when that is done, you can put this in the pool and let it soak for about 15 seconds. this test is doubly unusual because it only uses saliva. it's no surprise, really, that quite a few people across the world are trying to develop an accurate and effective saliva—based test — one doesn't require nostril probing or gag—inducing throat swabs. the super—fast result here is achieved using nanotechnology. the idea is that by forcing a small amount of saliva into a tin...