Answer
B
Work Step by Step
Bubonic plague is an infection of the lymphatic system that is caused by the bacterium Yersinia pestis. It occurs because of the bite of an infected flea, Xenopsylla cheopis. Symptoms include enlarged and painful lymph nodes (buboes), malaise, chills, high-grade fever, seizures, and gangrene of the extremities like lips, fingers, and toes.
