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Bt toxoid is shorthand for Botulinum toxoid (BT) vaccine. It has been used for over 25 years to protect industry and laboratory workers from occupational exposure. The BT toxoid vaccine immunizes against Clostridium botulinum bacteria toxin. Vaccines use the toxin produced by Clostridium botulinum bacteria to stimulate the body's production of antibodies or antitoxins against the threat of infection by the bacteria. Pharmaceutical companies have found ways to nullify the highly toxic poisons produced by the disease. The toxin protein is treated with either chemicals or heat to neutralize its poisonous property. These methods allow toxoids to be administered in large quantities to quickly stimulate immunization; however, adverse reactions have occurred in a number of those receiving it.

Botulinum neurotoxis (BT) is a protein produced ...

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