(CNN) - Rep. Jesse Jackson Jr. is no longer being treated at the Mayo Clinic for what he described last month as "several serious health issues," clinic spokesman Nick Hanson said Tuesday.
The Illinois congressman had returned to the center in September for what Hanson described as a "follow-up evaluation to ensure he is on the path to properly manage his health." He won his bid for a tenth term in the U.S. House last week despite making no public campaign appearances and having been out of the public eye since May.
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Jackson, 47, checked out of the Mayo Clinic for the first time in early September, his office said, and the clinic had acknowledged Jackson was a patient in an August statement.
He is the subject of several investigations, including by the FBI and House Ethics Committee. His House colleagues are looking into allegations that, in 2008, he or one of his associates offered to raise money for then-Illinois Gov. Rod Blagojevich in exchange for Jackson being appointed to the Senate seat vacated by Barack Obama.
In an October recorded automated call made to constituents in October, Jackson said, "the good news is my health is improving, but my doctors tell me the road to recovery is a long one."
"Like many human beings, a series of events came together in my life at the same time and they've been difficult to sort through," he said in the call, which his office provided to CNN. "I am human, I am doing my best, and I am trying to sort through them all."
Rev. Jesse Jackson, his father and a well-known civil rights leader, made no comment when contacted by CNN.
– CNN's Miriam Falco, Sean Nottingham, Deirdre Walsh, and Gregory Wallace contributed to this report