This executive order helped set the stage to be able to ban travel from countries affected by COVID-19. By the time that the virus showed up, the precedent was set to be able to ban travel.
Source:
- March 6, 2017. Pres. Donald J. Trump. “Executive Order Protecting The Nation From Foreign Terrorist Entry Into The United States.” The White House.
https://web.archive.org/web/20171215004102/https://www.whitehouse.gov/presidential-actions/executive-order-protecting-nation-foreign-terrorist-entry-united-states-2/.
Government.