Admittedly, I only read the headline. But doesn't that simply mean that by the time some tests have taken place, they're no longer infectious but in reality have already spread it anyway? It doesn't mean "oh your positive, but can't spread it" more like it's "oh, actually you've got it but...
Like I said, your entitled to your views, but because he's challenged you, it's tiresome and he's a fool. Yet, the only one I continually see on here posting their agenda is you.
You're entitled to your views, obviously. But, everytime some "expert" says something that backs up your agenda, you jump all over it.
Maybe you should read your post again and you can that's exactly how you come across aswell.