Helen Boaden, director of BBC News has returned to work today, saying it is not her job to decide if she should still be in post.
She also dismissed suggestions that the public's trust in the national broadcaster had diminished. She said:
"It is still the most trusted news organisation in this country"
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The Defence Secretary Michael Fallon repeatedly refused to confirm details of the test when he was summoned to the Commons.
Mrs Bush was hospitalised after experiencing fatigue and coughing and was admitted just days after her husband George H.W. Bush.
The Football Association has charged Arsenal manager Arsene Wenger with misconduct in the wake of Sunday's game with Burnley.