More Americans are being tested for Covid-19—and waiting longer for results—as the Delta variant spreads via WSJ
, said this week that it is evaluating alternatives to add capacity as demand increases. Quest said it is able to report most Covid-19 test results within a day.
“Either they’re travelers, people who have symptoms or people who are scared because they felt like they’ve been exposed,” he said. As the Delta variant sweeps the globe, scientists are learning more about why new versions of the coronavirus spread faster, and what this could mean for vaccine efforts. The spike protein, which gives the virus its unmistakable shape, may hold the key. Illustration: Nick Collingwood/WSJ
Dr. Hayden also suggests looking into home testing. “Big, national commercial labs have tremendous capacity and usually don’t ramp up and down like a hospital lab,” said Dr. Hayden.
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