What is a vaccine:
1.  Treated bacteria, virus & protein
2.  Treated algae
3.  Treated fungi
4.  Treated plasmodium

Subtopic:  Active & Passive Immunity |
 97%
Level 1: 80%+
AIPMT - 1999
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Short-lived immunity acquired from mother to foetus across the placenta or through mother's milk to the infant is categorised as:
1. Active immunity
2. Passive immunity
3. Cellular immunity
4. Innate non-specific immunity

Subtopic:  Active & Passive Immunity |
 90%
Level 1: 80%+
AIPMT - 2003
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