This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Vagabond's disease is – 
Select and explain. 
A. Pediculosis corporis, B. Scabies, C. Eczema, D. Ringworm
A: Pediculosis corporis
Answer: A: Pediculosis corporis 
Explanation: Body louse infestation (Pediculosis corporis) is also known as vagabond disease. Patients who have an infestation for many years can develop a condition called vagabond skin. The skin becomes thickened and darkened after years of bites and subsequent rubbing and excoriation.