<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A substance that is derived from the toxin released by the bacterium that causes the disease tetanus. It is used as a vaccine to prevent tetanus or to help boost the immune response to other vaccines.</n0:def-definition><n0:def-source>NCI-GLOSS</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A preparation of formaldehyde-deactivated toxin isolated from the bacterium Clostridium tetani. Tetanus toxoid is used for booster injection and can stimulate the production of antitoxin antibodies. This agent may be used as an adjuvant in cancer vaccines.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>