Trump's national security adviser has coronavirus
FILE- In this July 10, 2020 file photo, White House national security adviser Robert O'Brien speaks during a briefing on counternarcotics operations at U.S. Southern Command, in Doral, Fla. O’Brien has tested positive for the coronavirus. He’s the highest-ranking White House official to test positive so far. (AP Photo/Evan Vucci)

FILE- In this July 10, 2020 file photo, White House national security adviser Robert O'Brien speaks during a briefing on counternarcotics operations at U.S. Southern Command, in Doral, Fla. O’Brien has tested positive for the coronavirus. He’s the highest-ranking White House official to test positive so far. (AP Photo/Evan Vucci)

Jul. 27, 2020 09:41 AM EDT
FILE - In this June 24, 2020 file photo, Robert O'Brien, assistant to the president for national security affairs, removes a face covering prior to speaking during a news conference in Phoenix. O’Brien has tested positive for the coronavirus. He’s the highest-ranking White House official to test positive so far. (AP Photo/Ross D. Franklin)

FILE - In this June 24, 2020 file photo, Robert O'Brien, assistant to the president for national security affairs, removes a face covering prior to speaking during a news conference in Phoenix. O’Brien has tested positive for the coronavirus. He’s the highest-ranking White House official to test positive so far. (AP Photo/Ross D. Franklin)

Jul. 27, 2020 09:40 AM EDT