It started with a bacteria. This bacteria got into parasites, which got into rats and other small mammals. The reason rats were the main cause for the plague is because back then, people were used to having rats in their houses. and it was difficult to rid of them.
Bacteria > Parasite > Animal > Human.
It is common misconception that rats caused the plague, which they did not, many other animals carried the flea, but weren't around any humans to spread it. It is also a misconception that rats did not die from the plague, which they did.
They picked up the bacteria from something else or just from the air.
Bubonic plague is usually transmitted by infected fleas. These fleas typically live on rodents, in particular rats.
Squirrels are the main rodents in California that carry it. Lots of rodents do (rats, possums, etc.) I hope this helps!
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.
AnswerThe Black Death is believed to have been caused by a bacterium, Yersinia pestis, and the disease is called bubonic plague. AnswerThe Black Plague was caused by the bacterium, Yersinia pestis, which was formerly Pasteurella pestis. The disease vectors were rodents, especially rats, and fleas. The Black Death or Black Plague was a specific outbreak of bubonic plague in Europe during 1346 to 1351.
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 killed millions of people.
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.
the bubonic plague, spread by rats bitten bye infected fleas
Well really there were three- the most common being the bubonic plague.