"Arlen Holder" wrote in message
...
On Thu, 17 Sep 2020 07:12:14 +1000, wrote:

Yes, that not as good as with those with
symptoms, but it¢s a lot better than nothing.

Pinning all your hopes on

No one is pinning all their hopes on an app.

It is JUST a useful addition to what else is done about the virus.