When the next pandemic emerges, will we be ready? Experts say that the number of animal to human 'species jumps' is bound to increase as populations increase and the speed of travel between continents accelerates. Typical pandemic timelines no longer apply. Pandemic H1N1 traveled the world in just weeks, as did SARS, despite major efforts to contain both outbreaks. The danger of emerging infectious disease to global health is compounded by the potential threat for malevolent bioengineering of existing pathogens and their deliberate dissemination.