Active immunisation against diphtheria, which will be discussed in this chapter, is carried out with diphtheria toxoid. This consists of the toxin of Corynebacterium diphtheriae, which has been rendered non-toxigenic but has retained its antigenicity. This toxoid is usually given routinely as a triple vaccine which contains about 25Lf1 diphtheria toxoid, 5Lf tetanus toxoid and not more than 20×109 killed Bordetella pertussis with or without a mineral carrier. Passive immunisation is considered in Chapter 14.
KeywordsSchool Entry Routine Immunisation Scarlet Fever Diphtheria Toxoid Smallpox Vaccine
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