One month after President Trump declared a national emergency and announced commitments from some of the nation’s largest companies to help expand testing capabilities in the U.S., most regions still lack access to the necessary tests and equipment they require.

When the president stepped to the podium in the Rose Garden in March surrounded by executives from the country’s largest pharmacies and retailers, including Target, Walmart, CVS and Walgreens, the expectation was that the nation would soon see an explosion in testing facilities that could provide the kind of population-scale testing necessary to manage a nationwide outbreak.