During a health education session, a participant asks the nurse how a vaccine can protect from future exposures to diseases against which she is vaccinated. What would be the nurses best response?

Answer Explanation: Vaccines are an antigen preparation that produces an antibody response in a human to protect him or her from future exposure to the vaccinated organism. A vaccine does not respond to an infection after it occurs; it does not act like an antibiotic and does not actively attack the microorganism.

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