(CNN) Idris Elba wants everyone know that he's doing OK.

His first message was to ask people to stop spreading the false conspiracy theory that black people can't contract Covid-19, saying "it's dumb, it's silly, it's very dangerous."

"Please guys, now is not the time," he said. "People need to know facts, need to understand the truth so that they can protect themselves. Stop sending this stuff out. It's very dangerous for all, not just black people, but for everyone."

Responding to a question, he explained why he was tested when he wasn't displaying any symptoms. Elba said he was notified last Friday that he had been in contact with someone who had tested positive.

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