FILE - In this April 20, 2020 file photo, Samantha Robles Villa, 9, right, is given a coronavirus test at a walk-up testing center in Annapolis, Md. In the absence of a national testing strategy for the novel coronavirus pandemic, seven governors have formed a first-of-its-kind purchasing compact they hope will pressure companies that make rapid-detection tests to quickly ramp up production. (AP Photo/Julio Cortez, File)
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