Select the true statement regarding Tetanus: (A) 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
Answer is A. 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.