As soon as there was global trade, pandemics could spread. Colonist arrival to the americas was a semi-pandemic - but there were epidemics of the plague, of cho

As soon as there was global trade, pandemics could spread. Colonist arrival to the americas was a semi-pandemic - but there were epidemics of the plague, of cholera, that spread from Asia to Europe and back for many years. there's an article on pandemics in antiquity: https://demystifyingscience.com/blog/2020/2/27/whats-in-a-pandemic-part-1 https://demystifyingscience.com/blog/2020/2/27/whats-in-a-pa...