(CNN) Actor Idris Elba said he has tested positive for Covid-19.

Elba, 47, said he received his test results Monday morning.

So far, the "Luther" star said he feels "OK" and is showing no symptoms, according a video posted to Twitter.

Elba said he had been isolated since finding out last Friday that he had been exposed to someone who tested the positive.

This morning I tested positive for Covid 19. I feel ok, I have no symptoms so far but have been isolated since I found out about my possible exposure to the virus. Stay home people and be pragmatic. I will keep you updated on how I'm doing 👊🏾👊🏾 No panic. pic.twitter.com/Lg7HVMZglZ — Idris Elba (@idriselba) March 16, 2020

He encouraged people watching to practice social distancing and be diligent about hand washing, emphasizing the point that there are asymptomatic people are out there, like himself.

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