Boxing Champion Muhammad Ali Treated for Urinary Tract Infection, Released From Hospital

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Former heavyweight boxing champion Muhammad Ali was released from a hospital Tuesday night after a roughly two-week stay for treatment of a urinary tract infection, his spokesman said Wednesday.

Former boxing champion Muhammad Ali is seen at the Norman Mailer Center's 4th Annual Benefit Gala on Oct. 4, 2012, in New York City. (Credit: Cindy Ord/Getty Images for Norman Mailer Center)

Former boxing champion Muhammad Ali is seen at the Norman Mailer Center’s 4th Annual Benefit Gala on Oct. 4, 2012, in New York City. (Credit: Cindy Ord/Getty Images for Norman Mailer Center)

The infection occurred just weeks after Ali was hospitalized at an undisclosed location for pneumonia.

Ali was born Cassius Clay and won an Olympic gold medal as a light-heavyweight at age 18. In 1964, he became world heavyweight champion in an upset victory against then champion Sonny Liston, according to Ali’s official website.

World heavyweight boxing champion Muhammad Ali in training at the Royal Artillery Gymnasium in London for his upcoming fight with British champion Henry Cooper, against whom he must defend his title. (Credit: Getty Images)

World heavyweight boxing champion Muhammad Ali in training at the Royal Artillery Gymnasium in London for his upcoming fight with British champion Henry Cooper, against whom he must defend his title. (Credit: Getty Images)

Shortly thereafter changed his name to Muhammad Ali to reflect his conversion to Islam. The boxer was also known for his protest against the Vietnam War and refusal to be drafted into service out of religious conviction.

He retired from boxing in 1981 and announced his diagnosis with Parkinson’s Disease three years later.

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