Without a citation it's a really safe bet that this was never said or the word "work" applies to a different concept than applied here.
It is a known that a negative result from the current rapid tests, such as Innova's, does not assure one of being virus free or noncontagious. These test are not accurate enough currently to provide a (conceptual) green light to socialize freely. However, that does not mean they are of no value.
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