Harris is not showing symptoms and has not been in close contact with President Joe Biden or first lady Jill Biden, the vice president's press secretary said.
Donald Trump will have to pay $10,000 a day as a result of the contempt order, until he produces documents sought by New York Attorney General Letitia James.
White House officials and Democratic strategists privately worry about Elon Musk's purchase of Twitter, especially whether Trump will return to the platform.
Greene recently testified under oath in a case seeking to disqualify her from running for a second term due to her alleged involvement with the Capitol riot.
The ongoing war next door has put the landlocked country of Moldova, a former Soviet republic and one of Europe's poorest nations, in a precarious position.
Biden will announce a new military aid package to Ukraine, which is expected to look similar to the $800 million aid package the U.S. released a week ago.