Cite, please. The FDA and CDC bureaucracies are the groups hewing to the Business As Usual rule following. No need for the WH to reject WHO tests, the FDA is happy to fill that role.
The WH is ultimately responsible for the FDA/CDC, but if the Cabinet level needs to intervene to get the massive Federal government acting with urgency to this sort of threat, we should eliminate Civil Service protections and give Agency heads a bigger stick pour encourager les autres.