Published: 22:00, 06 April 2020
Updated: 14:19, 14 April 2020
Less than a month ago, Boris Johnson was carrying out his duties as Prime Minister, including attending the Commonwealth Service at Westminster Abbey.
Four weeks later, he is being treated in intensive care in a London hospital after developing Covid-19.
On March 27, Mr Johnson revealed he had tested positive for coronavirus and was self-isolating at his Downing Street apartment – but still working.