Factbox: Trump White House, campaign staff who have tested positive for COVID-19

FILE PHOTO: Hope Hicks, an advisor to U.S. President Donald Trump walks to Air Force One to depart Washington with the president and other staff on campaign travel to Minnesota from Joint Base Andrews, Maryland, U.S., September 30, 2020. Picture taken September 30, 2020. REUTERS/Leah Millis

WASHINGTON (Reuters) - News of President Donald Trump's COVID-19 diagnosis has upended the U.S. presidential election campaign entering its final month and roiled stock markets, raising questions about succession and prompting White House aides to insist that Trump would keep a busy, if modified, schedule.

Hope Hicks, a close adviser to the president who often traveled with him on the Air Force One and Marine One presidential aircraft, had tested positive for the disease caused by the novel coronavirus on Thursday.