Erin Strecker
November 19, 2012 AT 05:26 PM EST

Good Morning America’s Robin Roberts was released from the hospital on Friday night, after spending a week there for a “tune up,” the anchor announced in a blog post.

Roberts, who underwent a bone marrow transplant in September to treat myelodysplastic syndrome, was in the hospital for a latent virus that wasn’t responding to medication.

“Our immune systems usually take care of a virus like this … but mine is only 59 days old,” she wrote. “Physically I felt fine but being back in the hospital took an emotional toll on me. The wonderful doctors, nurses and support staff lifted my was comforting seeing them again. They assured me the majority of BMT patients have to be re-admitted to the hospital for various reasons. I decided to look at my brief stay as a “tune up”…and then I would be back on the road to recovery. By the grace of God, I am! The virus is under control and my numbers are going back up.”

An interview with Roberts from the hospital, conducted by her sister, will air on Good Morning America Tuesday.

Read more:

‘Good Morning America’s Robin Roberts out of the hospital

Robin Roberts undergoing bone marrow transplant today; thanks fans for support

Robin Roberts’ mother dies

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