How do vaccines stimulate the immune system?
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Vaccines stimulate the immune system by mimicking an infection, training the body to recognize and combat specific pathogens (viruses, bacteria, or toxins) without causing the disease. Here's a step-by-step explanation: Stage Description 1. Introduction of Antigens Vaccines contain antigens (weakeneRead more
Vaccines stimulate the immune system by mimicking an infection, training the body to recognize and combat specific pathogens (viruses, bacteria, or toxins) without causing the disease. Here’s a step-by-step explanation:
– Specialized cells like macrophages and dendritic cells engulf the antigens and present them to helper T cells.
– These antibodies bind to the antigens, marking them for destruction.
– Memory T cells are formed for long-term immunity.
– These cells “remember” the antigen and respond more quickly and effectively if the pathogen is encountered again.
– This prevents future infections or reduces the severity of the disease.
Types of Vaccines and Their Mechanisms
Benefits of Vaccination
Vaccines are a critical tool in public health, harnessing the natural power of the immune system to prevent serious diseases and save lives
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