The contents of a vaccine?

describe the contents of a vaccine, i don't need a big fancy answer i'm just doing a practice regents test getting prepared for the civil servant test on Thurs.(they recycle the questions) i just need a simple answer. please sustain (remember keep it simple i'm only in 7th status =] )
Answers:
antibodies that activate another antibodies to fight antigens and infections.
they inject u with any dead or living or part or a product of a bacteria or virus so ur body can identify it and start to brand name antibodies against them which take times to produce an igG antibody and other lymphocytes as T and B which can memoize that antigen so when the true infection comes ur body can deal with it faster and more densely as it's exposed to the same avirulent antigen before
Vaccines are made with the same bacteria or virus that cause a disease, but they have been ineffectual or killed to make them safe. A child's immune system responds to a vaccine duplicate way it would if the child had the disease. This means he will develop imperviousness without having to get sick first. And also the vaccine contains animal cell, serum, proteins and some chemicals like formaldehyde, mercury and aluminum it depends of every vaccine. Source(s): Department of health and human services
Dead virus and/or antibodies for that virus.
they contain a very small portion of microbes or virus protein which is extracted from their coatings (ie cell wall of bacteria or the capsule of avirus). some vaccine are obtain from the immunoglobulins produce by animals or humans

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