Some European countries and Canada issue advisories for travelers to the U.S.
Chandelis Duster,  Reporter  -  npr

_Stephan: Over the past three weeks, I have received five emails from SR readers who live in other countries telling me that they are cancelling their plans to come to the United States for vacations or business. A sixth reader, a German medical researcher, told me that she had been offered a research grant that would have required her … ⌘ Read more