She took both rapid and PCR tests to confirm her status, according to her office, which noted that she is experiencing no symptoms and has not been in recent close contact with either President Joe Biden or the first lady.
The vice president has been fully vaccinated and then boosted twice, following the Centers for Disease Control and Prevention’s recommendation for people over age 50.
She will return to the White House when she tests negative.
Earlier this month, Harris’ communications director, Jamal Simmons, tested positive for the coronavirus. Harris’ office said the staffer was in “close contact” with the vice president and that Harris was following guidance from the CDC and would continue with her public schedule.
The highly contagious omicron BA.2 subvariant of the virus has been spreading in the U.S., but total COVID cases have fallen dramatically since a major winter spike. Vaccination continues to provide the best protection against severe hospitalization and death from the virus.