 - Pregnancy or breast feeding, due to the unknown effects of peptidemimotope vaccines on a fetus or infant. Women of childbearing potential must have a negative urine pregnancy test within 72 hours prior to receiving the first dose of study drug, and must be counseled to use an accepted and effective method of contraception while on treatment and for a period of 18 months after completing or discontinuing treatment. Accepted methods include oral contraceptives, barrier method, IUDs, and abstinence. 