How do vaccines work in our body? | Newsmo

How does a vaccine work? What are the elements of our body that are implemented during a vaccination? When a pathogen – a virus or bacterium – is introduced into the body, it multiplies and attacks cells. This is known as an infection.

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[venkatramanmahadevan]

If body remembers a pathogen, then why should you give booster doses. ?

[domini]

If this argument is correct, the vaccinated should develop more symptoms when infected. After all, the symptoms are the indication that the immunity is fighting against the virus. It appears that the immunity treats the virus as a friendly virus in the vaccinated people and decides not to fight against.