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A member asked:
What occurs when i give hepatitis b vaccine intravenously instead of intramuscularly?
A doctor has provided 1 answer
Why ever?: The purpose of a vaccine is to stimulate the immune system.To do that it is injected into muscle or fatty tissue where it is processed slowly by the active immune system to stimulate antibody formation. Inject it IV and it has minimal and brief contact with the immune system and will be deconstructed by the liver or washed out through the kidneys within hours.
Answered 6/10/2014
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