How does the vaccine help to prevent disease?
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Answer:
vaccine actually contains weak or dead pathogen
Explanation:
when it is injected the weak pathogen gets into our blood and our body recognises the pathogen and starts producing antibodies thus the pathogen injucted is weak our body will be able to kill it and acquire immunity so when an original pathogen enters in ,,,, our body would easily recognise it and starts to produce antibodies and kills the pathogen if we take a vaccine of a particular disease it would give us protection for 1 year we must take booster vaccine simultaneously HOPE OT HELPS YOU MARK THE ANSWER AS BRAINLIEST IF YOU FIND THIS ANSWER HELPFUL
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