Which of the following diseases is transmitted by body lice?
tularemia
bubonic plague
murine typhus
epidemic typhus

The correct answer will be option- epidemic typhus.

Explanation:

Epidemic typhus is an uncommon disease which is caused by a bacterial species called Rickettsia prowazekii.

This disease spread in the human population through body lice where body lice are very common like in an overcrowded population. The symptoms of the disease appear after 2 weeks of the contact with body lice which is marked by the Fever and chills, Rapid breathing, Rash, cough and others.

Thus, option- epidemic typhus is the correct answer.