From WSJopinion: The FDA has refused to authorize a test by the startup Global Diagnostic Systems, which yielded no false negatives in clinical trials, writes Allysia Finley
Journal Editorial Report: Paul Gigot interviews Dr. Marty Makary. Images: AFP/Getty Images Composite: Mark KellyA friend recently woke up with a sore throat. He took an at-home Covid test, which came back negative, then went to work and a happy hour with two colleagues. Several days later he learned they developed symptoms and tested positive for the virus.
It seems likely, but it’s impossible to know. Many Americans have probably had similar experiences. At-home Covid tests were supposed to help people who came down with cold or flulike symptoms determine whether they should isolate or seek treatment—but their utility has been greatly diminished by frequent false negatives.
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