A total of 173 individuals were positive for GADA, and 16 of these were positive for a second antibody (11 were IA-2A positive, and 6 were ZnT8A positive). A total of 173 individuals were positive for GADA, and 16 of these were positive for a second antibody (11 were IA-2A positive, and 6 were ZnT8A positive). One individual was positive for all three antibodies. None of the GADA-negative samples tested as a control group were positive for IA2A or ZnT8A. Mohammed Iqbal Hawa et al. Dia Care 2014;37:1643-1649 ©2014 by American Diabetes Association