Ms Harris becomes the latest high ranking U.S. official to be infected after House Speaker Nancy Pelosi.
The White House clarified that Mr Biden and Ms Pelosi had only “brief interactions over the course of the last two days.”
The Senate voted 100-0 in favour of the measure removing Permanent Normal Trade Relations status for both Russia and Belarus.
Senate Majority Leader rejected a request to treat Mr. Trump’s impeachment trial as an emergency.
If convicted, Mr. Trump could be barred from running for office again in 2024.
President Trump had vetoed the $740 billion (N287 trillion) defence spending bill passed by Congress on December 11.
