Tue 9 February 2010
About immunisation
The vaccines
FAQs
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Science
What is a vaccine?
How do vaccines work?
Active immunity
Passive immunity
How are vaccines made?
Monitoring vaccine safety
Monitoring vaccine effectiveness
The life cycle of a vaccination programme
How immunisation works - animation
What is herd immunity?
Herd immunity - animation
Factors affecting herd immunity - Environmental factors
Factors affecting herd immunity - Strength of a person's immune system
Factors affecting herd immunity - How infectious the disease is
How immunisation works - animation
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