good related article; US labs buckle amid testing surgehttps://apnews.com/969fbbf44dd2ba1acea130f95b21ef62
including;
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The agency recently issued new recommendations against retesting most COVID-19 patients to confirm they have recovered. “It’s clogging up the system,” Adm. Brett Giroir, assistant health secretary, told reporters last week.
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Quest Diagnostics, one of the nation’s largest testing chains, said it can’t keep up with demand and most patients will face waits of a week or longer for results.
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...the backbone of U.S. testing remains at several hundred labs with high-capacity machines capable of processing thousands of samples per day. Many say they could be processing far more tests if not for global shortages of testing chemicals and other materials.
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