The problem with rapid testing was always on the demand side

The U.S. government distributed millions of fast-acting tests for diagnosing coronavirus infections at the end of last year to help tamp down outbreaks in nursing homes and prisons and allow schools to reopen.

But some states haven’t used many of the tests, due to logistical hurdles and accuracy concerns, squandering a valuable tool for managing the pandemic. The first batches, shipped to states in September, are approaching their six-month expiration dates.

At least 32 million of the 142 million BinaxNOW rapid Covid-19 tests distributed by the U.S. government to states starting last year weren’t used as of early February, according to a Wall Street Journal review of their inventories…

“The demand has just not been there,” said Myra Kunas, Minnesota’s interim public health lab director.

…the tests are piling up in many states, the Journal found.

Here is more from Brianna Abbott and Sarah Krouse at the WSJ.  You may recall the discussions of demand-side issues from my CWTs with Paul Romer and Glen Weyl.  The envelope theorem remains underrated.

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