The timing of maternal pertussis vaccination influences the titers of cord-blood anti-pertussis antibodies. Whether it affects their avidity is unknown. We demonstrate in 298 term and 72 preterm neonates that antibody avidity is independent of the timing of maternal vaccination, whether comparing second with third trimester or intervals before birth.
Keywords: antibody transfer; avidity; maternal pertussis vaccination; preterm neonates; term neonates.
© The Author(s) 2023. Published by Oxford University Press on behalf of Infectious Diseases Society of America.