Tetanus vaccination functions by stimulating the production of antitoxin, thus providing immunity to the effects of the toxin.
The immunogen is cell-free toxin prepared from the filtrate of a broth culture of C. tetani. It is inactivated by treatment with formaldehyde and usually absorbed onto an adjuvant such as aluminium phosphate or aluminium hydroxide. Bordatella pertussis can also act as an adjuvant.
Tetanus vaccines contain not less than 20IU of tetanus toxoid
The above vaccines are:
Reference:
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