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Although there has been substantial progress in controlling pertussis in South Korea, the reported number of pertussis case-patients has gradually been increasing during the last decade. To address this, we summarized the surveillance data on pertussis collected during the period 1955–2011. Detailed epidemiologic and clinical data were determined, primarily using data from recent years.

We analyzed data from the national surveillance system to describe the occurrence of pertussis. The annual numbers of reported pertussis case-patients were identified for the period 1955–2000. For 2001–2009, information including limited demographic characteristics and the date of onset of symptoms were identified. For 2010–2011, detailed epidemiologic and clinical information of reported pertussis case-patients were collected.

During 1955–2011, the secular trend was characterized by a …