Rod Rosenstein’s sister’s CDC organization is responsible for production of the detection kits. Is this failure due to incompetence, corruption (awarding contracts to cronies) or is it INTENTIONAL?
In all .gov organization the pattern is that the political types at the top are some combination of scheming, corrupt, and incompetent.
They are usually sociopaths highly skilled in back-stabbing, finger-pointing, lying, and plotting. That is often combined with a lack of technical skills to effectively supervise operations.
The worker bees usually just do their jobs, some better than others.