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Reuters
President Trump named O’Brien his adviser in September last year
President Donald Trump’s national security adviser, Robert O’Brien, has tested positive for coronavirus, sources have told US media.
Mr O’Brien, 54, has reportedly been self-isolating and working from home, the sources said.
He would be the highest-ranking official in Mr Trump’s administration known to have tested positive.
It is not clear when the two last met, but they appeared together two weeks ago on a trip to Miami.
One source told Bloomberg that Mr O’Brien had been out of his office for a week and that the adviser had contracted the virus after a family event.
He is still running the National Security Council, mostly by phone, Bloomberg reports.
Anyone near the president is tested regularly for Covid-19.