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Question
Define the following:
Vaccine
Solution 1
Vaccine: A vaccine is a biological preparation of a weakened or killed pathogen (disease causing microbes) which stimulates the formation of antibodies and develops immunity against a particular disease.
Solution 2
Vaccines are materials administered in the body to provide passive immunity. The materials are generally germs or substances secreted by germs.
Examples: OPV (oral polio vaccine) and DTP (diphtheria, tetanus and pertussis)
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