White House Plans to Tighten Travel Rules Over Omicron Threat

The Biden administration plans to tighten travel rules to combat the omicron variant of the coronavirus, by requiring all air travelers to the U.S. to be tested within a day of their departure regardless of vaccination status, according to a person familiar with the matter.

President Joe Biden plans to announce the new requirements on Thursday in a speech detailing his plan to contain the pandemic through the winter. Currently, vaccinated travelers must get tested within three days of boarding their flight to the U.S.; under the change, that would be cut to one day.

The U.S. last week imposed ...