Jurors selected this month for a preliminary 42-person pool will likely be questioned anew about holiday commitments and other hardships. The trial is set to last three months.
U.S. District Judge William H. Yohn Jr. battled flu-like symptoms during last week's jury questioning.
The 65-year-old Fumo is charged with 139 counts of fraud and corruption. Federal prosecutors say he misused more than $3.5 million in funds and resources from the Senate, a charity and a museum. Fumo insists that he's done nothing illegal.