True regarding tetanus toxoid is/are -: (A) Plain toxoid have long duration, (B) Absorbed toxoid are more beneficial, (C) Should never freeze, (D) Stored at 0 oC
Answer is B. <p> Absorbed(purified tetanus toxoid) has largely supplemented plain toxoid because it stimulates a higher and long lasting immunity response than plain toxoid. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:312. <\p>