This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
Lice are not the vectors of : 
Select and explain. 
A. Relapsing fever, B. Q fever, C. Trench fever, D. Epidemic typhus
B: Q fever
Answer: B: Q fever 
Explanation: LICE(Singular Louse): wingless insects, also known as &;Fly babies&; Lice as the vectors of disease: Diseases transmitted byy lice Causative agent Epidemic typhus Rickettsia prowazekii Relapsing fever Borrelia recurrentis Trench fever Rickettsia quintana Dermatitis Due to scratching & secondary infection Ref: Park 25th edition PGno: 814