Four of the Following are Viral Diseases

Question

Four of the following are viral diseases.Which one is the exception?  
A) Herpes
B) Measles
C) Bubonic plague
D) Hepatitis
E) Chicken pox

Accepted Answer

Bubonic plague is not a viral disease, but a bacterial infection caused by the bacterium Yersinia pestis. The other options are viral diseases: herpes is caused by the herpesvirus, measles and chicken pox are caused by the paramyxovirus and the varicella-zoster virus respectively, and hepatitis can be caused by several different viruses (such as hepatitis A, B, and C viruses).