Massive resources have been directed to improving global health since the late 1990s. Investment by donor states and philanthropists is matched by increased attention from political leaders, policy makers and international relations experts. Diseases in one country, like Ebola, are seen as threatening stability and security more widely. As dense governance regimes have emerged to meet global health challenges and to ensure that the new money is well spent. They evaluate these measures in universalist terms: with reference to human rights, medical science and public health. By default, they assume that norms are simply diffused out from Washington and Geneva and mechanically implemented in the states of the global south.