Question

how do vaccines work in our body​

Answer 1

Answer:

vaccines work in our body by fighting against the protozoan organisms or disease causing organisms. And destroy them .Vaccines are made of dead protozoan organisms of that particular disease.our body recognize the protozoan organism and act or fight against the disease. our brain remembers the disease organisms and maintains the defence system of our body

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Answer 2

Answer:

Explanation :-   A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. ... By injecting these antigens into the body, the immune system can safely learn to recognize them as hostile invaders, produce antibodies, and remember them for the future.