How does vaccination prevent diseases?
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It prevent diseases by it develops antibodies antigens in our bady
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in vaccination dead or weakend dieses causing germs such as viruses and becteria are injected into a human body these weakend becteria or immunity in the body the health centres vaccination children against certain diseases such as cholera, diphtheria, tetanus, polio, meningitis, mumps, plague, tuberculosis, wooping cough, and rabies etc
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