Science, asked by Anuj0203, 6 days ago

Some micro-organisms are helpful or harmful. A preparation of weakened or killed pathogen responsible for preventing certain diseases are called

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Answered by jolysanthosh57

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A vaccine is a suspension of weakened, killed, or fragmented microorganisms or toxins or other biological preparation, such as those consisting of antibodies, lymphocytes, or mRNA, that is administered primarily to prevent disease

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