Hello, i had taken Rabipur vaccines before two years, and i had taken another course almost in 2002, and also in 2003. my Labrador dog is sixteen years old, and bit me thrice in the past two months, including a a very minor bite that had happened few hours back, so what should i do? should i take another course? just to let you know, my Dog is normal and she bit me because i disturbed her sleep. need urgent help. Thank you.