The scandal is overshadowing a major public appearance by Hollande expected tomorrow. Pollsters say it is likely to further damage his record-low popularity ratings.
Valerie Trierweiler's chief of staff, Patrice Biancone, said today she could be hospitalized for another six or eight more days. She was initially expected to leave the hospital today.
He said she suffered a "very strong emotional shock" from the tabloid report and needs rest.