Yes, some of the kits had faulty negative controls. This article is about a lab that developed their own test for their own research on respiratory disease spre

Yes, some of the kits had faulty negative controls. This article is about a lab that developed their own test for their own research on respiratory disease spread though. They didn't use the CDC's tests or the CDC's protocol and that's why they received a cease and desist even though they've probably saved many lives not only in Washington but throughout the country by getting people to see the magnitude of the problem.