Hong-Jun Chen

Post-marketing safety surveillance of tetanus, diphtheria, and acellular pertussis (Tdap) vaccine: a disproportionality analysis of the vaccine adverse event reporting system (2015–2025)

Background The tetanus, diphtheria, and acellular pertussis (Tdap) vaccine is routinely recommended for adolescents, adults, and pregnant individuals. Ongoing post-marketing surveillance is critical to monitor its safety profile and detect rare or unexpected adverse events (AEs) following immunization. This study aims...