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Physics, 20.01.2020 04:31 keasiabrown25

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what is the procedure by which a person can be immunized against a disease?
joey's mother and pediatrician agree that it's prudent to boost joey's adapted immune system by introducing it to pathogens in a controlled way
so that it can recognize them and build resistance against them. joey can be immunized at his pediatrician's office against the disease measles
by means of
, which is the introduction of a mild form of a disease to the body, often by means of injection.

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