This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
All are true regarding tetanus except - 
Select and explain. 
A. Transmission through contaminated wounds and injuries, B. More common in winters and dry weather, C. Reservoir in soil and intestines of human and animals, D. No herd immunity or life long immunity
B: More common in winters and dry weather
Answer: B: More common in winters and dry weather 
Explanation: <p> Tetanus (especially NNT) has a marked seasonal incidense in India:>50% cases in July-September. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:310-314. <\p>