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Assessing The Temporality Of Adverse Effects Of Vaccines In The Nicu, Julia Tonnessen, Pedro Urday, Md

Phase 1

Introduction: Premature infants have an increased risk of contracting vaccine-preventable diseases and experience worse outcomes. Evidence supports keeping them on a regular vaccination schedule, but it is often delayed, partly because preterm infants have an increased incidence of cardiorespiratory events compared to term infants. The aim of our study was to determine if immunizations in the NICU contribute to an increased number of adverse events.

Methods: This was a retrospective, single-center, observational study with the target population infants born at less than 32 weeks gestation at Thomas Jefferson University Hospital who received the two-month vaccination series in the NICU. The …