However, the bombshell underlines fears that the crisis is escalating.
In a video, Johnson said: “Hi folks I want to bring you up to speed on something that is happening today which is that I have developed mild symptoms of coronavirus, that is to say a temperature and a persistent cough, and on the advice of the chief medical officer I have taken a test.
“That has come out positive so I am working from home, I am self isolating.
“That is entirely the right thing to do but be in no doubt that I can continue thanks to the wizardry of modern technology to communicate with all my top team to lead the national fight back against coronavirus.”
Prince Charles was confirmed as infected with coronavirus earlier this week. Other world leaders such as Canada’s Justin Trudeau has tested positive.