Active immunity develops only after a natural infection and not after vaccination.

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Active immunity can develop after both natural infection and vaccination. Vaccination is a way to stimulate the immune system to produce a specific response to a particular pathogen, leading to the development of immunity against that pathogen. While both natural infection and vaccination can lead to active immunity, vaccination is often preferred because it allows for a controlled and safe exposure to the pathogen, without causing the serious illness that can result from natural infection.

Active Immunity Develops Only After a Natural Infection and Not