Bubonic plague

Definition

The bubonic plague is a severe bacterial infection caused by Yersinia pestis, primarily transmitted through the bites of infected fleas. It is characterized by swollen lymph nodes, fever, and other flu-like symptoms.

5 Must Know Facts For Your Next Test

1. Yersinia pestis is the causative agent of the bubonic plague.
2. Buboes are painful, swollen lymph nodes that are a hallmark symptom of the infection.
3. The primary mode of transmission is through flea bites that have fed on infected rodents.
4. Antibiotics such as streptomycin and doxycycline can effectively treat the bubonic plague if administered early.
5. Without treatment, the mortality rate of bubonic plague can be as high as 60-90%.

Review Questions

• What bacterium causes the bubonic plague?
• How is the bubonic plague primarily transmitted to humans?
• What are 'buboes' in the context of bubonic plague?

Related terms

Yersinia pestis:

A gram-negative bacterium responsible for causing the bubonic plague.

Septicemic Plague: A severe form of plague where Yersinia pestis spreads in the bloodstream.

Pneumonic Plague: A highly contagious form of plague affecting the lungs, which can be transmitted person-to-person via respiratory droplets.