Nelson Mandela's Condition Improving, Doctors Say - KiiiTV.com South Texas, Corpus Christi, Coastal Bend

Nelson Mandela's Condition Improving, Doctors Say

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(CNN) -- Former South African President Nelson Mandela's condition continues to improve, the country's presidential office said.

Mandela, 94, was readmitted last week to an unidentified hospital due to a recurring lung infection.

He received treatment for pneumonia over the weekend, a government spokesman said Saturday.

Doctors withdrew excess fluid that had accumulated in the space surrounding Mandela's lungs as a result of an infection, said Mac Maharaj, a spokesman for President Jacob Zuma.

It's the second time in past month Mandela has been hospitalized. More than two weeks ago, he was taken to a hospital for what officials described as a routine checkup.

He underwent treatment for a lung infection and had surgery to remove gallstones over the Christmas holiday -- one of his longest hospital stays since his release from prison in 1990.

The Nobel Peace Prize winner has become increasingly frail over the years and has not appeared in public since South Africa hosted the World Cup in 2010.

His history of lung problems dates back to when he was a political prisoner on Robben Island during apartheid. He contracted tuberculosis during the 27 years he was imprisoned.