88-year-old former President George H. W. Bush's fever has elevated and he's been put on a liquid diet.
The 41st president has been hospitalized since November 23rd with bronchitis and developed a fever in recent days.
Doctors at Houston's Methodist Hospital have been treating the president's fever with Tylenol but still haven't nailed down a cause. By the way, Bush is the oldest living U.S president.
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