Inter-Governmental Committee on AIDS, Hepatitis C and Related Diseases. A key advisory body to the National Public Health Partnership through the Communicable Diseases Network Australia (CDNA) on policy, program, social issues and activities related to HIV/AIDS, hepatitis C, sexually transmissible infections and related diseases." Formerly known as the Intergovernmental Committee on AIDS (IGCA) and the Intergovernmental committee on AIDS and Related Diseases (IGCARD).