(FILES) Photo dated December 5, 2012 shows US Secretary of State Hillary Clinton at a press conference at NATO headquarters in Brussels. Clinton is recovering at home after suffering a concussion, a spokesman said on December 15, 2012. “While suffering from a stomach virus, Secretary Clinton became dehydrated and fainted, sustaining a concussion,” Philippe Reines said in a statement. “She has been recovering at home and will continue to be monitored regularly by her doctors.” AFP PHOTO/FILES/JOHN THYS