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

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