Yersinia pestis is also in western North America. Infected fleas are found mostly in ground squirrel populations, chipmunks and wood rats, but can also be carried by dogs and cats.
The fleas on the rats carried the plaque. It traveled on ships from other countries that brought it to Europe.
ellisaana Premium Member over 10 years ago
Yersinia pestis is also in western North America. Infected fleas are found mostly in ground squirrel populations, chipmunks and wood rats, but can also be carried by dogs and cats.
amethyst52 Premium Member over 10 years ago
The fleas on the rats carried the plaque. It traveled on ships from other countries that brought it to Europe.