The blood tests if they are doing blood tests would.
Reports on testing shows that it is sporadic.
The Taiwanese use some sort of sonic pad into the lungs and immediately know if someone has a bad case of Coronavirus.
I thought I heard of blood testing, but am not sure-(checking for anti-bodies) blood or saliva would give your DNA to the system if people had the time to save it for cataloging later. I don’t believe most corporations or other entities are THAT organized. And I worked with some of the best.
There are many different tests between countries which says something about our understanding of this virus.
Spain had test kits from China which 80% were faulty. They asked for more kits from the same exact Chinese company.