[nip180]

> if you’re positive you can probably start isolating now.

If you experience symptoms you should start isolating, regardless of the results of a rapid test.

[jkaplowitz]

That's true, but in this case the converse statement is also true that someone with a positive rapid test should start isolating even if symptoms are absent. It's this latter statement that you were replying to.

[midasuni]

It’s the people without symptoms. Doing a regular test every few days will prevent at least some spreading if you are a symptomless carrier