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Section 1 According to http://www.amfar.org/cgi-bin/iowa/bridge.html, immunisation is the administration of antigenic components of an infectious agent to stimulate a protective immune response. Immunisation is a technique that is used to increase immunity to specific diseases in humans by exposing the individual to an anti-gen in order to raise ant-bodies to that anti-gen. Immunisation is a way of protecting against serious diseases such as tuberculosis and polio. According to the World Health Organisation diseases such as pandemic flu can come back easily. Once someone's immunised their bodies will be able to fight those diseases when they're exposed to them. Also the National Immunisation Program has ensured that diseases like tetanus and polio have disappeared in the UK there's still the chance that it could return. The 2 types of immunity-active and passive immunity-are both different. Vaccines given for such diseases are only given so it won't re-occur. Priority vaccinations such as for...

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