(KRON) — Bill Gates has tested positive for COVID-19, the tech entrepreneur announced on Twitter Tuesday.

“I’ve tested positive for COVID,” wrote Gates in a tweet. “I’m experiencing mild symptoms and am following the experts’ advice by isolating until I’m healthy again.”

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In a subsequent tweet, Gates added that he was “fortunate to be vaccinated and boosted,” and that he had “access to testing and great medical care.”

This is a developing story. Check back for updates.