This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
[{'content': 'Select the true statement regarding Tetanus \nSelect and explain. \nA. No period of communicability, B. India eliminated tetanus in 2010, C. Also known as 2nd day disease, D. One dose TT gives Life long immunity', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Causative agent : Clostridium tetani (Gram + bacilli , anaerobic, drum stick appearance) Incubation period : 6-10 days No person to person transmission. Herd immunity does not protect individuals. Tetanus toxin: second most lethal toxin (Most lethal toxin is botulinum toxin). Lethal dose for 70 kg man : 0.1kg India was declared maternal & neonatal tetanus eliminated in July 2016. Neonatal Tetanus is also known as 8th day disease.', 'role': 'assistant'}]