The Trump administration sent mixed signals on Tuesday about how quickly testing for the coronavirus would ramp up, stressing that close to a million coronavirus tests should be available this week but also that the number of tests to be administered remained unknown. Dr. Stephen Hahn, the commissioner of the Food and Drug Administration, said at a Senate hearing that the Centers for Disease Control and Prevention was working with a private manufacturer to drastically increase the testing capacity of laboratories across the nation. “Our expectation in talking to the company that is scaling this up is that we should have the capacity by the end of the week to have kits available to the laboratories to perform about a million tests,” he said. White House officials, however, stressed that the number of tests actually administered could be considerably lower. When Dr. […]