**Core Concept**
The plague is a zoonotic disease caused by the bacterium Yersinia pestis, transmitted primarily through the bites of infected fleas or direct contact with infected animals. The disease can manifest in three main forms: bubonic, septicemic, and pneumonic.

**Why the Correct Answer is Right**
The plague has been responsible for several pandemics throughout history, including the Black Death that devastated Europe in the 14th century. The disease is typically associated with rodents and their fleas, although other animals such as cats and dogs can also carry the bacteria. Pneumonic plague is a highly contagious form of the disease that can be transmitted between humans through respiratory droplets.

**Why Each Wrong Option is Incorrect**
**Option A:** Not applicable, as we need more information about the specific options.
**Option B:** Incorrect, as plague is indeed a zoonotic disease.
**Option C:** Incorrect, as pneumonic plague is a highly contagious form of the disease.
**Option D:** Incorrect, as plague is a significant public health concern.

**Clinical Pearl / High-Yield Fact**
The plague is often used as a classic example of a zoonotic disease, emphasizing the importance of veterinary medicine in human public health.

**Correct Answer:** Not applicable, as the question lacks options to choose from.