U.S. Vice President Joe Biden on Monday accompanied his son Beau to Houston where the younger Biden was undergoing tests to investigate symptoms that led to his hospitalization last week, the White House and the Delaware Department of Justice said.
"Beau Biden is being evaluated to determine the cause of an episode of disorientation and weakness that he experienced while on vacation with his family," the White House said in a statement.
Biden, 44, is the oldest son of the vice president and was hospitalized in 2010 for what doctors described as a mild stroke. He is the attorney general for the state of Delaware.
The younger Biden was hospitalized on Wednesday after a drive to Indiana for a holiday, the state DOJ said.
The next day, he traveled to Philadelphia to consult with his doctor at Jefferson University Hospital. He was discharged from the hospital and spent the weekend at home, his office said.
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