Johnson, 55, will take back control of a government under pressure from the economic fallout of shutdowns aimed at curbing the spread of the highly infectious virus, as well as a rising death toll.
A Downing Street spokeswoman confirmed the news on Saturday as Britain recorded more than 20,000 deaths from COVID-19.
Criticism is growing over the government response to the pandemic, with limited testing and shortages of protective equipment for medical workers and carers.
Johnson was taken to St Thomas’s Hospital in central London suffering from COVID-19 symptoms on April 5, and spent April 6 to April 9 in intensive care.
Italy’s death toll lowest since March 17.
Deaths from the COVID-19 outbreak in Italy have risen by 415, the smallest daily tally since March 17, the Civil Protection Agency says.
The number of new infections was also the lowest in five days at 2,357 on Saturday from 3,021…