According to an Original Investigation, maternal Tetanus, Diphtheria, and Pertussis Vaccine (Tdap) vaccination reduces pertussis burden in infants (2 months).
The JAMA Pediatrics published the findings of this ecologic study of 57,460 pertussis cases on February 6, 2023, concluding there was a significant difference between pertussis incidence rate differences between the pre–maternal and post–maternal Tdap vaccination periods.
There were about 19,000 cases of pertussis in infants under two months of age during the study period.
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