what are the causes of the bubonic plague
Causes of Bubonic Plague: An Overview. Bubonic plague is the most common form of plague. The causes of bubonic plague are bacteria called Yersinia pestis. This bacteria also causes the other two forms of plague: septicemic plague and pneumonic plague (see Types of Plague).auses of Bubonic Plague: Yersinia Pestis. Yersinia pestis bacteria are usually only found in certain parts of the world, such as Africa, Asia, and South America.