Trump's TV address came the same day the World Health Organization officially declared the disease a pandemic. U.K. travelers were not included in the restrictions, nor were American citizens or their immediate family members or legal permanent U.S. residents.
A week later, the State Department issued an advisory that U.S. citizens avoid all international travel because of the pandemic and that those abroad should return home immediately.
As of late February 2021, there were more than 28 million COVID-19 cases in the U.S. and more than 500,000 deaths, according to the Centers for Disease Control.
READ MORE: Pandemics That Changed History