WHO has drawn up a list of around ten pathogens “likely to cause future outbreaks and pandemics’ List is mainly “aimed at mobilizing funding for research”, says Sylvie Briand, director of the WHO pandemic preparedness monitoring group. Will it come from a cave in the depths of China? Or from the melting of permafrost, in which it has been locked up for tens of thousands of years? None of them is able to predict when or, above all, which virus will cause it.