So what is wrong with listening to the drumbeat, to the endless calls to protect ourselves against the coming plague – against Ebola from Africa and bird flu from Asia? Is it possible that a huge pandemic could erupt from some as-yet unknown pathogen? Is apocalypse lurking out there, among rats or monkeys, or bats or flying squirrels or birds? The Black Death shows that you can never say never: there might be an animal pathogen out there that, under the right circumstances, can evolve and maintain both virulence and transmissibility among humans as well as animals.
Research on DNA extracted from the skulls of Black Death victims has revealed that the plague was not spread by rat fleas after all, and instead must have been airborne. [more inside]