Biology for IGCSE & O level - Diseases And Immunity (Section 3 - No. 20)
What is the key difference between active and passive immunity?
Active immunity is long-lasting, while passive immunity is short-term.
Active immunity involves antibodies from another person, while passive immunity involves antibodies produced by the individual's body.
Active immunity is acquired naturally, while passive immunity is acquired artificially.
Active immunity is more dangerous than passive immunity.
Explanation
Active immunity involves the body making its own antibodies; passive immunity provides antibodies from an external source.
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