Social & Preventive Medicine General f79dee9e True about tetanus is all except ? A Tetanus protection 5 years if previously immunized B Herd immunity present C Can't be eradicated D Elimination is less than 1 case per 1000 bihs High-Yield Explanation Ans. is 'b' i.e., Herd immunity present o There is no herd immunity in tetanus. o All other options are correct.