… Nonetheless, in 2010, California had a large pertussis outbreak, 10 with the highest … quantify
the waning of DTaP protection against pertussis over time in a highly vaccinated population …

… After both a three-dose and five-dose primary series of aP, protection predictably wanes
after the last dose of the series, with the odds of pertussis increasing by 1.33 times (95% CI 1.23…

… waning of protection following boosting and inadequate control of pertussis of the existing
schedule in this well-vaccinated … Point vaccine effectiveness was substantially higher among …

… pertussis vaccine (DTaP), rates of pertussis have increased substantially in 7- to 10-year-olds
in recent years. Duration of protection … role of vaccine formulation on duration of protection. …

… of the pertussis vaccine and characterize the effect of waning immunity and whole-cell … 7
years since the last vaccination there is minimal protective effect of the vaccine, despite some …

… In conclusion, there is substantial waning of protection against pertussis as children … Risk
of contracting pertussis increased on average by 27% per year since vaccination after the 5 th …

… Waning of pertussis antibodies to 4 years among infants who did and did not receive
monovalent acellular pertussis vaccine at birth. In: 13th National Immunisation Conference; June 19…

… In conclusion, our results provide evidence of waning protection from Tdap vaccination
among both Adacel and Boostrix recipients. Boostrix was more effective than Adacel in …

… cases that meet a typical case definition falls with age after infancy, which means that both
designs may have underestimated waning of protection against milder and atypical infection. …

… Since our calculated waning rate is an average over the whole population, this means
some individuals will re-enter the susceptible pool more quickly than others. By simulating a …