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. 2023 Mar 22;14(1):1-16.
doi: 10.5365/wpsar.2023.14.1.973. eCollection 2023 Jan-Mar.

Epidemiology of dengue reported in the World Health Organization's Western Pacific Region, 2013-2019

Eri Togami  1 , May Chiew  2 , Christopher Lowbridge  1 , Viema Biaukula  1 , Leila Bell  1 , Aya Yajima  3 , Anthony Eshofonie  1 , Dina Saulo  1 , Do Thi Hong Hien  4 , Satoko Otsu  4 , Tran Cong Dai  4 , Mya Sapal Ngon  4 , Chin-Kei Lee  5 , Reiko Tsuyuoka  2 , Luciano Tuseo  6 , Asheena Khalakdina  6 , Vannda Kab  6 , Rabindra Romauld Abeyasinghe  7 , Rajendra Prasad Yadav  7 , Princess Esguerra  7 , Sean Casey  8 , Chun Paul Soo  9 , Munehisa Fukusumi  1 , Tamano Matsui  1 , Babatunde Olowokure  1
Affiliations

Epidemiology of dengue reported in the World Health Organization's Western Pacific Region, 2013-2019

Eri Togami et al. Western Pac Surveill Response J. .

Abstract

The global burden of dengue, an emerging and re-emerging mosquito-borne disease, increased during the 20-year period ending in 2019, with approximately 70% of cases estimated to have been in Asia. This report describes the epidemiology of dengue in the World Health Organization's Western Pacific Region during 2013-2019 using regional surveillance data reported from indicator-based surveillance systems from countries and areas in the Region, supplemented by publicly available dengue outbreak situation reports. The total reported annual number of dengue cases in the Region increased from 430 023 in 2013 to 1 050 285 in 2019, surpassing 1 million cases for the first time in 2019. The reported case-fatality ratio ranged from 0.19% (724/376 972 in 2014 and 2030/1 050 285 in 2019) to 0.30% (1380/458 843 in 2016). The introduction or reintroduction of serotypes to specific areas caused several outbreaks and rare occurrences of local transmission in places where dengue was not previously reported. This report reinforces the increased importance of dengue surveillance systems in monitoring dengue across the Region.

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Conflict of interest statement

MC, LB, SO, CKL, RRA, SC and TM are associate editors and BO is executive editor of the Western Pacific Surveillance and Response journal. They were not involved in the editorial decision to publish the manuscript. All other authors have no conflicts of interest to declare.

Figures

Fig. 1
Fig. 1
Number of dengue cases and case-fatality ratios reported to WHO from the Western Pacific Region, 2013–2019
Fig. 2
Fig. 2
Number of dengue cases reported to WHO from Pacific Island countries and areas, Western Pacific Region, 2013–2019
See this image and copyright information in PMC

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