Opinion | Ignore the C.D.C. and Expand Testing

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We can make well-informed predictions about those who should be given priority. Most obviously, testing is essential for those who are known to have been significantly exposed to an infected person, as determined by “contact tracing.” But testing is also important for those who have been or will soon be mixing with large groups in close quarters at work; entering the schools and colleges that are now reopening; and attending public events like concerts and sports matches.

The financial and other practical demands of widespread testing can be lowered by making rational decisions about the optimal times for performing the tests — a few days after being in contact with an infected person, for instance, or just before congregating with many others.

The logistics and costs can be further reduced by simplifying the tests — using saliva samples collected at home, rather than uncomfortable nasal swabs that require trained personnel at specific locations; or by using so-called antigen tests, a cheap and rapid method to look for viral proteins, rather than expensive laboratory machines to find viral RNA. Even if these tests are a bit less accurate, their lower cost, higher speed and more frequent use make up for it.

Some of these new methods have already been authorized for use by the Food and Drug Administration. And the Department of Health and Human Services has also committed to purchasing large quantities of antigen tests.

These are practical and essential actions that need to be taken now. In the absence of sensible guidance from the C.D.C., what can the country do to control the pandemic? We urge at least three actions.

  • State and local leaders should be emboldened to act independently of the federal government and do more testing. Some governors and local public health officials, from both parties, are already doing so and are ignoring the C.D.C.’s revisions. This position is legally sound, since the C.D.C. is an advisory agency, not a regulatory one. Still, such discord undermines confidence in public health directives.

  • Insurance companies, city and state governments, and the Center for Medicare and Medicaid Services should recognize the economic and health benefits of testing prioritized, asymptomatic populations and provide reasonable reimbursement for these tests. A major impediment to more widespread testing has been the lack of coverage in the absence of symptoms or known contacts with infected individuals. The costs of testing are decreasing as new methods, like antigen testing, are introduced, and may be further reduced as the pooling of samples makes testing more efficient.

  • While more widespread testing for the virus is an essential factor in pandemic control, we need to make it part of a broad program that helps prevent transmission — mask-wearing, hand-washing, quarantining and use of personal protective equipment.

The C.D.C., the federal agency that should be crushing the pandemic, is promoting policies that prolong it. That means that local, state and organizational leaders will have to do what the federal government won’t.

Harold Varmus, a professor at Weill Cornell Medicine and a former director of the National Institutes of Health, was a co-chair of President Barack Obama’s Council of Advisers on Science and Technology. Rajiv Shah is president of the Rockefeller Foundation.

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