… We have synthesized, for the first time, age-stratified incidence rates of pertussis in Canada
for a period of more than 60 years (1952–2015) using surveillance data. In doing so, we …

… pertussis in England and Wales and Canada to compare trends in relative risk. We projected
forward to 2022 in Canada … In this analysis, Canadian women of childbearing age in 2012 …

… pertussis, stratified by patient’s age and month. The … pertussis testing and that the
seasonality of whooping cough was less clear, when statistics for whooping cough infections were …

… Finally, we did not consider indirect impact of adolescent pertussis vaccination on other
age groups but this is anticipated to be small since Tdap has limited capacity to prevent B. …

… in pertussis behavior were seen in Australia during the fall and winter [49], Canada during the
spring season [… The changing age and seasonal profile of pertussis in Canada. J Infect Dis. …

… older age groups, a national continuous surveillance of pertussis in … Missing data (md) in the
description of cases are specified in … found such a summer-seasonal pattern in America [30], …

… Canada introduced whole-cell pertussis vaccine into … pertussis vaccine, which has a better
safety profile, in 1997–1998. In Canada, pertussis vaccines are given to all children at ages 2, …

… age, the risk of pertussis-associated hospitalization in the mild season and the hot season
… This paper provides a detailed description of the data collection process and the definitions …

… , mainland China, Italy, France, India, Canada and the like 3,8,9,… , pertussis has been identified
as being a seasonal disease … information on the pertussis cases (eg, sex and age) due to …

… trends in the age distribution of cases and the fade-out profile of pertussis coincident with
increasing … composition of households and phase, we analyzed the age-specific seasonality in …