Rats and Mice
To be cured from the Bubonic Plague you can use antibiodics. In the previous bubonic plagues when it was a plague there was no cure.
The Bubonic Plague
The Pneumonic plague, (internal bubonic plague,) constricted your throat muscles.
the Bubonic Plague occurred in Europe about 400 years ago
Bubonic Plague is caused by the bacterium, Yersinia pestis.
the bubonic plague, spread by rats bitten bye infected fleas
The carrier of this plague is the rats the carrier of the plague is actually fleas and ticks because they bite the rats and give them the plague. So the carriers of the plague are most rodents, ticks, and fleas.
Well really there were three- the most common being the bubonic plague.
The Black Death was a specific outbreak of bubonic plague that ravaged Europe in 1347 to 1352. The bubonic plague depends on its disease carriers, fleas and the rats they live on. The possibility of plague is reduced by keeping the numbers of these carriers low. Bubonic plague is also fairly easily treated by any of a number of modern antibiotics. Though the disease shows up every so often, perhaps every year, somewhere on the planet, it never has the ability to spread much, because it is too well understood and corrective measures are rather simple.
What Bubonic plague caused an rapid spreading disease
The bubonic plague started in Asia and spread to Europe.
Yersinia pestis, AKA, Bubonic Plague