Actor Richard Schiff says he's "cautiously optimistic" he will be released from the hospital soon as he continues to battle the coronavirus.

The "Good Doctor" star announced Monday he was hospitalized after contracting COVID-19 earlier this month. Both he and his wife, Sheila Kelley, tested positive.

The 65-year-old took to Twitter on Wednesday to share an update with fans on his health.

"Covid update. I was just taken off Oxygen!! Markers are down. Cautiously optimistic for release soon. Perhaps all the prayers and thoughts need a big thank you," he tweeted.

'GOOD DOCTOR' STAR RICHARD SCHIFF, 65, HOSPITALIZED WITH CORONAVIRUS

His tweet confirmed that Kelley is also "doing better."

"Let's keep sending positivity to everyone out there struggling. We got your back!" he concluded.

Earlier this month, Schiff revealed he and his wife received positive test results on Election Day, calling it the "most bizarre week of our lives."

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Sheila Kelley and Richard Schiff tested positive for the novel coronavirus earlier this month. Schiff has been updating fans about his health from the hospital. (Jean Baptiste Lacroix/WireImage)

Kelley later said her husband's battle had been particularly difficult.

"Covid update. Richard is definitely slammed a bit harder than me or @schiffboat Gus and I are having a better day than yesterday," she said. "@Richard_Schiff had a better day yesterday. Please send lots of prayers."

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Production of "The Good Doctor" has not been affected by the actor's diagnosis, Deadline reported last week. The shooting schedule has been adjusted to accommodate his inability to film. Kelley also has a recurring role on the show.