There are at least two major viral outbreaks underway in the world right now: the Andes hantavirus outbreak that began on a cruise ship and now involves people from more than 20 countries, and the Ebola Bundibugyo outbreak in Democratic Republic of Congo (DRC), which was only very recently announced but which has already killed 131 people and crossed at least one border. No vaccines exist yet for either of these rare strains of already rare diseases. The world is underprepared for threats that