The American billionaire Elon Musk, a critic of the Coronavirus lockdowns, underwent on November 13 four (!) Covid-19 tests one after the other.
The same nurse performed them with a BD Veritor™ Plus System which is produced in the United States an commonly used for rapid testing.
The result: “Two tests came back negative, two came back positive.” Musk's comment, “Something extremely bogus is going on.”