Bane blinked and then smiled and said "There's a Hobbit in there with the others..." Gandalf looked at Bane and said "Yes, and Lady Serena as well as Master Thorin and his company" 

Bilbo rested a hand on Serena's forehead and said "she's not feverish...that's a good sign...maybe this is normal..." He looked at Balin and asked "Have you seen anything like this?"