absurdly critical is discussing:

Scientists from Japan have said that ostrich antibodies allowed them to design glowing masks, which help to tell if a person has contracted the coronavirus.

Question: Is there any chance whatsoever for false positives with these masks?

If so what is the test accuracy? Considering how unhinged people are these days someone who is out in about when their mask starts to glow and they are just trying to get home is going to get killed by a deranged mob one of these days.