We live in a world full of invisible enemies and normally we don’t even realize they’re there. But from time to time one of these microscopic creatures becomes powerful enough to turn everything upside down. We are witnessing now the rise of the coronaviruses, which are causing the worst global health crisis in decades, and we are wondering why we didn’t see this coming. But we did. Experts have been warning us for years about microbes, one of the most terrifying challenges we face as a species.