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Health and Hygiene — BIOLOGY STD 9 — Question

ICSE BoardEnglish MediumSTD 9BIOLOGYHealth and Hygiene2 Marks
Question
Differentiate between :
Active and Passive Immunity
✓

Answer

Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.

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