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Microorganisms: Friend and Foe
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04/04/2021 11:49 am
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What is a vaccine? Why is it important to vaccinate small children?
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04/04/2021 11:50 am
Vaccine is prepared from weak or dead disease-causing microbe. Vaccine is given to healthy persons to prevent occurrence of disease. It is important to vaccinate small children because it creates antibodies in blood.