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Experience of the Arbovirus Death Investigation Committee in Ceará, Brazil, in 2017: advances and challenges

Luciano Pamplona de Góes Cavalcanti1, Kiliana Nogueira Farias da Escóssia2, Adriana Rocha Simião1

  • 1Universidade Federal do Ceará, Departamento de Saúde Comunitária, Fortaleza, CE, Brasil.

Epidemiologia E Servicos De Saude : Revista Do Sistema Unico De Saude Do Brasil
|December 5, 2019
PubMed

Insights

Chikungunya virus (CHIK) caused most arbovirus deaths in Ceará, Brazil, in 2017. The Arbovirus Death Investigation Committee confirmed 220 deaths, with CHIK deaths occurring at older ages and taking longer to resolve than dengue deaths.

Area of Science:

  • Arbovirology
  • Epidemiology
  • Public Health

Background:

  • Arboviruses pose a significant public health threat globally.
  • Timely investigation of arbovirus-related deaths is crucial for understanding disease burden and informing control strategies.

Purpose of the Study:

  • To describe the experience and preliminary findings of the Arbovirus Death Investigation Committee in Ceará, Brazil, during 2017.
  • To analyze the characteristics of arbovirus-related deaths in the region.

Main Methods:

  • The Committee systematically investigated all suspected arbovirus deaths reported by epidemiological surveillance.
  • Data on confirmed cases, including viral etiology, age, and time to death, were collected and analyzed.

Main Results:

  • A total of 443 suspected arbovirus deaths were reported, with 220 (49.7%) confirmed.
  • Chikungunya virus (CHIK) accounted for 88.2% of confirmed arbovirus deaths, while dengue accounted for 11.8%.
  • CHIK deaths occurred at a higher median age (77 years) and had a longer median time to death (38 days) compared to dengue (56 years and 12 days, respectively).
  • The median time for case closure was 54.5 days.
  • Ceará confirmed 80.4% of all chikungunya deaths in Brazil in 2017.

Conclusions:

  • Chikungunya virus was the primary cause of arboviral deaths in Ceará in 2017.
  • The findings highlight the significant impact of chikungunya on mortality in the region, particularly among older populations.
Abstract

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