LONDON—British Key Minister Boris Johnson, preventing a serious coronavirus an infection, was admitted to the intense care device of a London medical center Monday evening, leaving his country’s leadership in problem at a moment of deep crisis as the virus’s spread accelerates.
As Mr. Johnson’s ailment worsened, he deputized his international secretary, Dominic Raab, to run the government, a spokesman said. The 55-calendar year-aged premier was aware when he was wheeled into the intense care device of a central London medical center at about 7 p.m….