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 / Updated  / Source: TODAY
By Ian Sager

Update 6/21: Watch Charlie Sheen's full interview with Matt Lauer.

Charlie Sheen will return to TODAY on Monday, June 21, for an exclusive live interview — his first time back since he revealed he was HIV positive in a November interview with Matt Lauer.

Sheen will provide an update on his health and career.

In the November sit-down, Sheen said he made the announcement to end a smear campaign and extortion efforts.

"I have to put a stop to this onslaught, this barrage of attacks and of sub-truths and very harmful and mercurial stories that are about me, threatening the health of so many others that couldn't be further from the truth," he said.

RELATED: Read Charlie Sheen's open letter about his HIV-positive diagnosis

Sheen also told Matt he was diagnosed roughly four years ago, but didn't know how he contracted the virus.

"It started with what I thought was a series of crushing headaches," he said. "I thought I had a brain tumor. I thought it was over."

The actor also insisted it was "impossible" that he knowingly transmitted the virus to others.

Sheen will appear live in Studio 1A on Monday.

The interview will be available on following the broadcast.