British Prime Minister Boris Johnson announced Friday he tested positive for the new coronavirus.

“Over the last 24 hours I have developed mild symptoms and tested positive for coronavirus,” Johnson wrote on Twitter.

“I am now self-isolating, but I will continue to lead the government’s response via video conference as we fight this virus. Together we will beat this,” he vowed.

On March 23, the prime minister’s spokesman said that Foreign Secretary Dominic Raab would be the “designated survivor” if the prime minister fell ill with coronavirus or was otherwise incapacitated.

The spokesperson also said: “The prime minister has

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