The Biden administration on Thursday (Sept. 9) announced it will take steps to ramp up the supply and affordability of rapid point-of-care and at-home COVID-19 tests, including by invoking the Defense Production Act to push manufacturers to prioritize development of coronavirus tests. The administration detailed its testing efforts in its broader COVID-19 response plan, “ Path Out of the Pandemic ,” which was released Thursday. In the plan, the White House says it will spend $2 billion on 280 million...