US warns Americans against all overseas travel

People visit an international terminal at John F. Kennedy airport, Friday, March 13, 2020, in New York. A ban on travelers from most European countries begins at midnight Friday, and travelers returning from there will be screened. The ban is the latest calamity for a global travel industry already reeling from falling bookings and canceled reservations as people try to avoid contracting and spreading the coronavirus. (AP Photo/Kathy Willens)

WASHINGTON — The Trump administration has upgraded its already dire warning to Americans against all international travel as the coronavirus outbreak spreads.