CNBC News Corrections

US President Donald Trump wears a facemask as he leaves Walter Reed Medical Center in Bethesda, Maryland heading to Marine One on October 5, 2020, to return to the White House after being discharged.
Facebook, Twitter block Trump post that falsely claims coronavirus is less deadly than flu

The headline of this story has been updated to reflect that Twitter did not remove Trump's tweet, but blocked it from being shared and hid it behind a warning label.