End Tuberculosis Now Act of 2019 This bill directs the President to establish new goals for U.S. efforts to cure and prevent all forms of tuberculosis by updating the United States Government Tuberculosis Strategy (2015-2019) and the National Action Plan for Combating Multidrug-Resistant Tuberculosis. The President shall (1) coordinate with international organizations and partnerships such as the World Health Organization; and (2) provide bilateral assistance to support tuberculosis research, prevention, and treatment efforts. The Government Accountability Office shall periodically report to the U.S. Agency for International Development and Congress on the impact of such bilateral assistance.