The correct option is
A Leprosy
Amoebic dysentery is an infectious disease caused by
Entamoeba histolytica. It affects the intestine. Symptoms include abdominal pain, bloody diarrhea. Beriberi is a disease caused by vitamin B
1 deficiency. It affects the heart and circulatory system. Symptoms include increased heart rate, shortness of breath, leg swelling. Leprosy is a bacterial disease caused by bacteria
Mycobacterium leprae. It damages the skin and nervous system. Arthritis is a condition of inflammation of joints.
Thus, the correct answer is 'Leprosy.'