Figure 2From: Immunization of mice with the nef gene from Human Immunodeficiency Virus type 1: Study of immunological memory and long-term toxicologyHumoral responses against nef. End point anti-Nef ELISA titers in sera from 5 different time points. Arrows indicate time of immunization (w 0, 5 and 44). Error bars show standard deviations of all animals in each group.Back to article page