This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
The following disease require isolation to break transmission except - 
Select and explain. 
A. Measles, B. Mumps, C. Chicken pox, D. Tetanus
D: Tetanus
Answer: D: Tetanus 
Explanation: Tetanus infections are acquired almost always by contamination of wounds with tetanus spores, usually found in soil and dust. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 339