Not long ago, referring to a lateral flow test would have resulted in blank stares, even though they’re common diagnostic devices used in over-the-counter pregnancy tests, for example. But the ...

So who should test themselves? The NHS advises people who are at highest risk of Covid-19 should take a rapid lateral flow test as soon as they get symptoms — though there is no official ...

Should I report a negative lateral flow result? The public is instructed to report every result from a lateral flow test, no matter whether its positive or negative.

And many people will be wondering what it means if they see a very faint line on their lateral flow tests. Everyone knows the thick red lines next to the C and the T means you are positive.