… 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 …

… groups, we examine seasonality by age group. … British Columbia, Canada which noted that
pertussis incidence among … ) The changing age and seasonal profile of pertussis in Canada. …

… We used age-specific reported pertussis cases counts for two years: 2012 and 2013 (Table
2… Estimated age-specific number of pertussis cases in Ontario and Canada during 2012–2013…

… 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 …

… Figure 4.1 Age distribution of pertussis deaths in children under 5 years of age in the pre-…
The changing age and seasonal profile of pertussis in Canada. J Infect Dis 2002; 185: 1448…

… confirmed pertussis cases during four seasons into five age … Seasons were defined as spring
(April–June), summer (July–… changing age and seasonal profile of pertussis in Canada. J …

… 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. …

… age distribution of cases and pertussis transmission potential, the impact of vaccine uptake
on incidence, periodicity and age … changing age and seasonal profile of pertussis in Canada. …

… epidemics have previously been reported to exhibit seasonality [16, 18, 19]. The … the
effect of risk factors in pertussis transmission between different age groups. This is particularly …