The federal agency that regulates nursing homes and other long-term care facilities not only has cracked down on them with tough new requirements for coronavirus testing of their staff. The Centers for Medicaid and Medicare Services also has flogged its plan to provide facilities with testing equipment and sample tests.

While owners and operators have grumbled about the whole process, the state of Nevada has gone a step further: Enough, its health officials have decided. They briefly halted as unacceptable the CMS tests for the virus because they say they are flawed and may put nursing home residents at risk.

Besides casting yet more doubt on CMS’s poor pandemic response with long-term care facilities,  Nevada’s balk — rescinded abruptly after federal threat — may offer an important take-away to members of the public, already flooded with findings about the novel coronavirus: