U.S. President Donald Trump wished British Prime Minister Boris Johnson a quick recovery from the novel coronavirus as both leaders pledged to work closely together to beat back the global pandemic, the White House said Friday.

Johnson just hours earlier announced that he tested positive for the novel coronavirus, becoming the first known major world leader to have the virus. He is self-isolating and said his symptoms are currently mild.

During their telephone call, Trump and Johnson “agreed to collaborate closely, along with the G7, the G20, and other international partners, to defeat the coronavirus pandemic and boost the

Read more: Trump wishes UK's Johnson quick coronavirus recovery