Unit - 7.1 Diseases and Prevention. — BIOLOGY STD 8 — Question
ICSE BoardEnglish MediumSTD 8BIOLOGYUnit - 7.1 Diseases and Prevention.2 Marks
Question
Define : Vaccine
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Answer
A vaccine is defined as any substance which is used to stimulate the production of antibodies, in turn providing immunity against one or a few diseases. A vaccine is defined as a biological preparation formulated to provide acquired immunity for a particular disease.
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