"Keep wearing the damn mask."

American actor Bryan Cranston made this appeal to his fans as he revealed on Friday, July 31, that he contracted the novel coronavirus.

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I’m saddened to hear of the passing of James Lipton. My experience on his show, Inside the Actor’s Studio, was a real joy. James was insatiably curious and a consummate listener - two cornerstones to being a good actor. I’m smiling, knowing that he’s now listening to the Angels sing… then he’ll ask them a bunch of questions! Rest now, Mr. Lipton, you did very well. #insidetheactorsstudio #jameslipton #actor #rip

A post shared by Bryan Cranston (@bryancranston) on Mar 3, 2020 at 2:31pm PST

Bryan, who is famed for playing Walter White in the hit series Breaking Bad, said in an Instagram post that he had been "one of the lucky ones" to recover from the deadly disease.

"Hi. About now you're probably feeling a little tied down, restricting your mobility and like me, you're tired of this!!" he wrote.

"Well, I just want to encourage you to have a little more patience. I was pretty strict in adhering to the protocols and still... I contracted the virus," he went on. "Yep. it sounds daunting now that over 150,000 Americans are dead because of it. I was one of the lucky ones.

"Mild symptoms. I count my blessings and urge you to keep wearing the damn mask, keep washing your hands, and stay socially distant. We can prevail—but ONLY if we follow the rules together. Be well—Stay well," he added.

The post came with a video showing Bryan donating plasma at the UCLA Donation Center.

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Hi. About now you’re probably feeling a little tied down, restricting your mobility and like me, you’re tired of this!! Well, I just want to encourage you to have a little more patience. I was pretty strict in adhering to the protocols and still... I contracted the virus. Yep. it sounds daunting now that over 150,000 Americans are dead because of it. I was one of the lucky ones. Mild symptoms. I count my blessings and urge you to keep wearing the damn mask, keep washing your hands, and stay socially distant. We can prevail - but ONLY if we follow the rules together. Be well - Stay well. BC

A post shared by Bryan Cranston (@bryancranston) on Jul 30, 2020 at 9:32am PDT

In the absence of a COVID-19 cure, several hospitals have been using convalescent plasma therapy, or the transfer of blood of recovered patients to those who are still battling the coronavirus, to see if survivors' antibodies can help patients overcome the virus—an approach the World Health Organization (WHO) had described as "very valid."

The video, which has been viewed nearly 325,000 times, shows Bryan before he entered the facility, as he is prepped beforehand, and while donating blood.

Bryan, who is the latest celebrity to test positive for the novel coronavirus after Tom Hanks and Idris Elba, also encouraged fellow COVID-19 survivors to donate plasma to help those who are ill.

"Have you had COVID-19? This is something that you might be able to do too," he said, before adding a link to his post.