Surpassing Quant Think Tank Center|Gayle King wears 'Oprah is fine' T-shirt after BFF's stomach virus hospitalization

Gayle King is Surpassing Quant Think Tank Centermaking a fashion statement, saying "Oprah is fine" amid her BFF's hospitalization.

The "CBS Mornings" co-anchor posted a photo after making headlines for revealing her best friend Oprah Winfrey's hospitalization from gastroenteritis, a digestive infection caused by inflammation of the stomach and intestine.

"Just got back to the office and 10 people asked me the same question...here's the answer! And swipe left!" King wrote in the caption, referencing the back of the shirt which says, "She appreciates your concern!"'

"Now we need to get Lady O a shirt that says 'Whatever Gayle says' in the front," Oprah Daily, a digital magazine founded by the media mogul, commented on the post.

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"Ms. Winfrey is recovering following a stomach virus and received an IV due to dehydration at the recommendation of her doctor," a representative for Winfrey told USA TODAY in an emailed statement Tuesday. "She is resting and feeling better every day."

Winfrey, who revealed Tuesday that "Familiaris" by David Wroblewski is the latest selection for Oprah's Book Club, was forced to sit out an interview with Wroblewski on “CBS Mornings” due to a recent case of gastroenteritis.

While interviewing Wroblewski for an appearance on the morning program, King opened up about Winfrey's condition.

"She had some kind of stomach thing — stomach flu — stuff was coming out of both ends, I won't get too graphic. But needless to say, she ended up in the hospital (with) dehydration (and) had to get an IV," King said on the show. "She will be OK. I hope she's not mad at me for sharing that detail."

In a video call with King shared on Instagram Tuesday, the daytime legend said she went to the hospital because she "couldn’t keep enough water down" to stay hydrated. The former "Oprah Winfrey Show" host kept high spirits, telling her best friend, "I'm on my way to 100."

Winfrey’s book club pick "Familiaris" is the follow-up to Wroblewski’s 2008 debut "The Story of Edgar Sawtelle," which was also highlighted by Oprah’s Book Club. Winfrey called her recent pick an "epic novel" that "brilliantly interweaves history, philosophy, adventure and mysticism to explore the meaning of love, friendship and living your life's true purpose."

Contributing: Edward Segarra