I have a historical atlas (Atlas of World History, ed by Jeremy Black, published by Dorling-Kindersley, 2000). It has a map (p. 72-73) showing the spread of bubonic plague during the 14th century. It shows the plague outbreaks starting in Pagan (Burma) and Yunnan (China), spreading to the rest of China, then along the silk roads to the Middle East, then to North Africa and Europe.
Persia, India, Ethiopia, Sub-Saharan Africa, and SE Asia all seem to be free of the plague, though. How come? I thought Persia, India, and SE Asia all traded with Europe/China. And weren’t there trading contacts between North Africa and Sub-Saharan Africa? Is the map just simplifying things too much? Was there something specific to the infected regions that made them more susceptible to plague? Thanks.