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Effects of maternal exposure to an adsorbed acellular diphtheria-tetanus-pertussis (reduced-dose) combined vaccine on prenatal and postnatal development in Sprague-Dawley rats: a preclinical study

Source: Frontiers - Health • Published: 27 Jul 2026, 00:00

Effects of maternal exposure to an adsorbed acellular diphtheria-tetanus-pertussis (reduced-dose) combined vaccine on prenatal and postnatal development in Sprague-Dawley rats: a preclinical study

Reports a preclinical perinatal study assessing an adsorbed reduced‑antigen DTP vaccine's safety and antibody transfer in a rat model.

Key Takeaways
  • Maternal dosing produced no treatment‑related maternal systemic toxicity or adverse reproductive outcomes
  • High antigen‑specific antibody titers developed in dams and were passively transferred to F1 offspring
  • No negative effects were observed on offspring survival, morphology, or early neuro‑reflex milestone acquisition
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