500 years later, scientists discover what probably killed the Aztecs

Within five years, 15 million people – 80% of the population – were wiped out in an epidemic named ‘cocoliztli’, meaning pestilence,
Read more: https://www.theguardian.com/world/2018/jan/16/mexico-500-years-later-scientists-discover-what-killed-the-aztecs?source=Snapzu