What is toxoid......?????
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Toxoid is a Chemically modified Toxic from a Pathogen, which is no longer Toxic, and can be used as a Vaccine
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A toxoid is an inactivated toxin (usually an exotoxin) whose toxicity has been suppressed either by chemical (formalin) or heat treatment, while other properties, typically immunogenicity, are maintained. Toxins are secreted by bacteria, whereas toxoids are altered form of toxins; toxoids are not secreted by bacteria. Thus, when used during vaccination, an immune response is mounted and immunological memory is formed against the molecular markers of the toxoid without resulting in toxin-induced illness. Such a preparation is also known as an anatoxin.There are toxoids for prevention of diphtheria, tetanus and botulism.
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