in Florida over the past several weeks. Chandan Khanna/AFP via Getty Images hide caption

toggle caption Chandan Khanna/AFP via Getty Images

A man walks past the Aardvark Mobile Health's Mobile Covid-19 Testing Truck in Miami Beach. Daily tests have fallen in Florida over the past several weeks.

Chandan Khanna/AFP via Getty Images

Testing is down 40% in two of the hardest-hit states — Texas and Florida. Ashish Jha of Harvard's Global Health Institute explains what might be going on.

NPR's Alison Aubrey describes a new COVID-19 test developed by Yale University that works with saliva.

And NPR's Kirk Sielger reports on a school district in Idaho that's preparing to reopen — and possibly close right back down again.

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