Robert O’Brien, President Donald Trump‘s national security adviser, has tested positive for COVID-19, making him the highest profile Trump official to contract the novel virus, the White House confirmed.

“National Security Adviser Robert O’Brien tested positive for COVID-19. He has mild symptoms and has been self-isolating and working from a secure location off site. There is no risk of exposure to the President or the Vice President. The work of the National Security Council continues uninterrupted,” the White House said in a statement Monday morning.

Read the rest of the story at ABC News.