After socially distancing for months, people are rightly frustrated that they often can’t get tested quickly or cheaply enough to know when it’s safe to meet other people. Yet there is a cheap, promising form of testing technology that could permit millions now sheltering at home to return to work and school without undue fear of unwittingly spreading the virus.
The tests are called rapid antigen tests. While the FDA has approved more expensive versions of these tests for doctors to prescribe and administer, the agency still has not authorized the most inexpensive over-the-counter versions for consumer use. Why?
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