the fleas on rats in the cities
What Bubonic plague caused an rapid spreading disease
fly
Flea
antibiotics
fleas
Bubonic Plague is caused by the bacterium, Yersinia pestis.
Flea
You take antibiotics until you're cured.
The Bubonic Plague was a disease carried by the flea, who spread the disease by infesting rats. When the rat died of Bubonic Plague, the flea would search for another host to feed on, namely humans.
The Bubonic Plague, or Black Death.
A bacteria called Yersinia pestis
Bubonic plague