October 9, 2018, Vol 320, No. 14, Pages 1401-1506
- Mary Healy, MD; Marcia A. Rench, BSN; Laurie S. Swaim, MD; et al.
JAMA. 2018;320(14):1464-1470. doi:10.1001/jama.2018.14298
This prospective cohort study assesses whether maternal immunization with tetanus, diphtheria, and acellular pertussis (Tdap) vaccine, compared with no immunization, is associated with high concentrations of pertussis toxin antibodies at birth and if there is an optimal gestational age for maternal immunization.