All of the following statements rearding Clostridium tetani are true, except -

Ans. is None Tetanus is not transmitted from person to person. ' The primary series ( of active immunization) for adults consists of three doses. The first and second dose are given 4-8 weeks apa and the third dose is given 6-12 months after the second. Thereafter a booster dose is requires every 10 years'. Active(combined) Active( monovalent vaccines) 1st dose - 6th week (DPT) 2nd dose - 10th week (DPT) 3rd dose - 14th week (DPT) 1st booster - 18th month (DPT) 2nd booster 5th completed year (DT) 3rd booster - 10th year (TT) 4th booster - 16th years (TT) Purified tetanus Toxoid ( adsorbed ) supplanted the plain Toxoid, having 3 doses Each 0.5 ml , injected into arm given at intervals of 0,2,12 months. The longer the interval b/w two doses, better is the immune response. Booster doses : After 5 yr f/b Every 10 yrs *