The incubation period of cholera: A systematic review

Andrew S. Azman, Kara Rudolph, Derek A.T. Cummings, Justin Lessler

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Objectives: Recent large cholera outbreaks highlight the need for improved understanding of the pathogenesis and epidemiology of cholera. The incubation period of cholera has important implications for clinical and public health decision-making, yet statements of the incubation period of cholera are often imprecise. Here we characterize the distribution of cholera's incubation period. Methods: We conducted a systematic review of the literature for statements of the incubation period of cholera and data that might aid in its estimation. We extracted individual-level data, parametrically estimated the distribution of toxigenic cholera's incubation period, and evaluated evidence for differences between strains. Results: The incubation period did not differ by a clinically significant margin between strains (except O1 El Tor Ogawa). We estimate the median incubation period of toxigenic cholera to be 1.4 days (95% CI, 1.3-1.6). Five percent of cholera cases will develop symptoms by 0.5 days (95% CI 0.4-0.5), and 95% by 4.4 days (95% CI 3.9-5.0) after infection. Conclusions: We recommend that cholera investigations use a recall period of at least five days to capture relevant exposures; significantly longer than recent risk factor studies from the Haitian epidemic. This characterization of cholera's incubation period can help improve clinical and public health practice and advance epidemiologic research.

Original languageEnglish (US)
Pages (from-to)432-438
Number of pages7
JournalJournal of Infection
Volume66
Issue number5
DOIs
StatePublished - May 1 2013
Externally publishedYes

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Cholera
Public Health Practice
Disease Outbreaks
Decision Making
Epidemiology
Public Health

Keywords

  • Cholera
  • Incubation period
  • Vibrio cholerae

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

Cite this

The incubation period of cholera : A systematic review. / Azman, Andrew S.; Rudolph, Kara; Cummings, Derek A.T.; Lessler, Justin.

In: Journal of Infection, Vol. 66, No. 5, 01.05.2013, p. 432-438.

Research output: Contribution to journalArticle

Azman, Andrew S. ; Rudolph, Kara ; Cummings, Derek A.T. ; Lessler, Justin. / The incubation period of cholera : A systematic review. In: Journal of Infection. 2013 ; Vol. 66, No. 5. pp. 432-438.
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