Kaiser: “Presently, U.S. support for global health involves many different U.S. government departments and agencies, Congressional committees, initiatives, and funding streams. As a multi-pronged, multi-billion dollar investment that targets a myriad of global health challenges, countries, and stakeholders, the U.S. global health response is complex. This primer provides basic information about global health and U.S. government programs that address global health. The first several sections provide an overview of the field of global health and describe current global health issues. The subsequent sections describe U.S. government support for global health, from the programs the government supports, to the “architecture” of the U.S. response, the budgets and financing of U.S. global health programs, and the U.S. government’s relationship with multilateral institutions and international partners.”