The next day, Jan. 31, the president declared coronavirus a U.S.
public health emergency and issued the ban on travel between the United
States and China. On that same day, the Senate voted on the production
of additional documents in the impeachment trial of President Trump.
Campaigning in Iowa that day, Biden criticized President Trump’s China
travel ban, saying during an Iowa campaign event, “This is no time for
Donald Trump’s record of hysteria and xenophobia.”
Feb. 4: The White House directed the U.S. Food and Drug Administration to step up coronavirus diagnostic testing procedures.