What is the difference between active immunity and passive immunity?
Active immunity is made by your own body (vaccine, infection) and lasts long; passive immunity is borrowed antibodies (mother's milk, antivenom) and is short-lived.
Active immunity is made by your own body (vaccine, infection) and lasts long; passive immunity is borrowed antibodies (mother's milk, antivenom) and is short-lived. A reliable way to keep them apart is to focus on what each one is defined by, not just the similar-sounding words.
Key point
active immunity vs passive immunity
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