Recurrent cholera outbreaks, Democratic Republic of the Congo, 2008-2017

Brecht Ingelbeen, David Hendrickx, Berthe Miwanda, Marianne A B van der Sande, Mathias Mossoko, Hilde Vochten, Bram Riems, Jean-Paul Nyakio, Veerle Vanlerberghe, Octavie Lunguya, Jan Jacobs, Marleen Boelaert, Benoît Ilunga Kebela, Didier Bompangue, Jean-Jacques Muyembe

Research output: Contribution to journalA1: Web of Science-article

Abstract

In 2017, the exacerbation of an ongoing countrywide cholera outbreak in the Democratic Republic of the Congo resulted in >53,000 reported cases and 1,145 deaths. To guide control measures, we analyzed the characteristics of cholera epidemiology in DRC on the basis of surveillance and cholera treatment center data for 2008-2017. The 2017 nationwide outbreak resulted from 3 distinct mechanisms: considerable increases in the number of cases in cholera-endemic areas, so-called hot spots, around the Great Lakes in eastern DRC; recurrent outbreaks progressing downstream along the Congo River; and spread along Congo River branches to areas that had been cholera-free for more than a decade. Case-fatality rates were higher in nonendemic areas and in the early phases of the outbreaks, possibly reflecting low levels of immunity and less appropriate prevention and treatment. Targeted use of oral cholera vaccine, soon after initial cases are diagnosed, could contribute to lower case-fatality rates.

Original languageEnglish
JournalEmerging Infectious Diseases
Volume25
Issue number5
Pages (from-to)856-864
Number of pages9
ISSN1080-6040
DOIs
Publication statusPublished - 2019

Keywords

  • Age Factors
  • Child
  • Child, Preschool
  • Cholera/epidemiology
  • Democratic Republic of the Congo/epidemiology
  • Disease Outbreaks
  • Geography, Medical
  • History, 21st Century
  • Humans
  • Incidence
  • Infant
  • Male
  • Public Health Surveillance
  • Recurrence

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