Safety of Tetanus, Diphtheria, Acellular Pertussis with 5 Acellular Pertussis Components (Tdap5) Vaccination during Pregnancy: A Cohort Study using US Electronic Health Record Data

The primary objective of this study is to further evaluate the safety of Adacel vaccine among pregnant individuals exposed to Adacel during the third trimester of pregnancy and their offspring with regards to pre-defined pregnancy, birth, and neonatal outcomes.

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