This is confusing. The “home tests” that I know of are rapid antigen tests, not PCR.
That said, sodium azide is certainly a poison. They don’t mention the concentration, though.
It is not ingested. Its in the reactant solution.
“This is confusing. “
Not when you realize that writers add all the clickbait they can get away with.
” They don’t mention the concentration, though.”
0.0125%
How much dog doo do you want in the brownies??
Any poison is too much!