text: And these critics point to the plummeting stock market as evidence that they’re not alone in finding the president’s speech inadequate.
  “I don’t understand why we’re putting our efforts on trying to keep cases out of the country when we have a raging epidemic in our country,” said Jennifer Nuzzo, senior scholar at the Johns Hopkins Center for Health Security. “Most of the cases we have found to date are not linked to any kind of travel. This virus is everywhere.”
  No travel ban can stop a virus like the one that causes Covid-19, because it “spreads too silently and too quickly,” Nuzzo said. “I think all we’re going to accomplish at this point is to exacerbate the economic toll.”