You are a nurse working in a pediatric clinic. Your goal is to have accurate, up-to-date immunization records on all the children who come to the clinic. Which of the following record-keeping efforts would best help you meet your goal?

Have caregivers list all those who gave immunizations to their children and sign consent forms for release of information; then combine the records into one
Have the caregiver document all past immunizations with a note that this is caregiver recall and then chart new immunizations
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Have the caregivers document all the immunizations and dates of immunizations for each child
Assume that immunizations are not up-to-date and begin the process at the beginning