Human Health And Diseases Ques 110
110. A person likely to develop tetanus is immunised by administering
[2009]
(a) preformed antibodies
(b) wide spectrum antibiotics
(c) weakened pathogens
(d) non-viable germs
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Answer : c
Hints & Solutions
(c) Tetanus toxoid is a vaccine consisting of inactivated toxin of Clostridium tetani treated with formaldehyde serving as an active immunising agent. Hence it is inactivated toxin. The first tetanus toxoid (inactivated toxin) was produced in 1924 and was used successfully to prevent tetanus in the armed services during World War II. In the mid-1940s, tetanus vaccine was combined with diphtheria toxoid and inactivated pertussis vaccine to make the combination DTP vaccine for routine childhood immunization.
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