On September 6, 2019, CACDA and Nuclear Threat Initiative (NTI) held China-U.S. Track 2 Dialogue on Biological Security in Beijing. Secretary-General Li Chijiang of CACDA, Executive Vice President Deborah Rosenblum and Vice President Elizabeth Cameron of NTI co-chaired the dialogue. Experts and scholars from Chinese Center for Disease Control and Prevention, Chinese Academy of Science, Tianjin University, U.S. Center for Disease Control and Prevention, Johns Hopkins University, Colorado University, Texas University, Stanford University, Chicago University attended dialogue. Participants discussed current international Biosecurity situation, cooperative measures to reduce Biosecurity risks, and strengthening international cooperation.