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by KozmoNau7 1840 days ago
I've avoided infection, but some friends of mine didn't, a couple who got infected by an acquaintance who "forgot" to tell people he was infected.

They then went on to unwittingly spread the infection at a small gathering of friends, even though their rapid tests were negative. A subsequent rapid test showed negative for one, positive for the other. PCR tests nailed it down, and they went through the whole contact tracing malarkey to get everyone tested.

It may be as simple as someone not taking it completely seriously, or someone 100% unwittingly becoming a carrier, even with negative tests.