Some of the tests will indicate a positive after the virus has died off. It appears to be due to fragments of virus particles remaining in the serum.
“...Some of the tests will indicate a positive after the virus has died off. It appears to be due to fragments of virus particles remaining in the serum.....”
Well, somewhere they tested a goat and a papaya fruit, turned em in, and they came back “positive”.
So yeah, one could probbly get the demoVirus twice, if needed. /s