On the opposite hand, the new pertussis vaccine takes advantage of advances in protein chemistry and protein purification. Because the whole killed pertussis bacteria are now not current, the “new” pertussis vaccine known as the “acellular” vaccine. The bacteria that causes tetanus makes a harmful protein, referred to as a toxin. People who develop an immune response to this toxin are protected in opposition to tetanus. The tetanus vaccine is made by taking the tetanus toxin and inactivating it with a chemical. The inactivated toxin known as a “toxoid.” Once injected, the toxoid elicits an immune response in opposition to the toxin, however, not like the toxin, it does not trigger illness.

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