Toxins 。Toxin Substances that contribute to pathogenicity 。Toxigenicity Ability to produce a toxin Toxemia Presence of toxin the host's blood 。Toxoid Inactivated toxin used in a vaccine 。 Antitoxin Antibodies against a specific toxin Toxins • Toxin Substances that contribute to pathogenicity • Toxigenicity Ability to produce a toxin • Toxemia Presence of toxin the host's blood • Toxoid Inactivated toxin used in a vaccine • Antitoxin Antibodies against a specific toxin