Mothers of newborn babies will complete a questionnaire that will ask about:
She will be asked about this pregnancy:
At the 12-Month Well Baby Visit, she will complete a questionnaire that asks about:
The research staff will perform annual reviews of each subject's medical record to record the following:
At the age of 24 months, the subjects will be divided into three groups: unvaccinated, partially vaccinated, and fully vaccinated per the CDC schedule. The primary goal of the registry is to examine if there is any difference in the frequency children are diagnosed with either acute or chronic illnesses based on their vaccination status.