Nepalese origin of cholera epidemic in Haiti

R. R. Frerichs, Paul S Keim, R. Barrais, R. Piarroux

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

Cholera appeared in Haiti in October 2010 for the first time in recorded history. The causative agent was quickly identified by the Haitian National Public Health Laboratory and the United States Centers for Disease Control and Prevention as Vibrio cholerae serogroup O1, serotype Ogawa, biotype El Tor. Since then, >500000 government-acknowledged cholera cases and >7000 deaths have occurred, the largest cholera epidemic in the world, with the real death toll probably much higher. Questions of origin have been widely debated with some attributing the onset of the epidemic to climatic factors and others to human transmission. None of the evidence on origin supports climatic factors. Instead, recent epidemiological and molecular-genetic evidence point to the United Nations peacekeeping troops from Nepal as the source of cholera to Haiti, following their troop rotation in early October 2010. Such findings have important policy implications for shaping future international relief efforts.

Original languageEnglish (US)
JournalClinical Microbiology and Infection
Volume18
Issue number6
DOIs
StatePublished - Jun 2012

Fingerprint

Haiti
Cholera
Vibrio cholerae O1
Nepal
United Nations
Centers for Disease Control and Prevention (U.S.)
Molecular Biology
Public Health
History

Keywords

  • Cholera
  • Disease transmission
  • Epidemics
  • Epidemiology
  • Haiti
  • Infectious
  • Vibrio cholerae

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

Cite this

Nepalese origin of cholera epidemic in Haiti. / Frerichs, R. R.; Keim, Paul S; Barrais, R.; Piarroux, R.

In: Clinical Microbiology and Infection, Vol. 18, No. 6, 06.2012.

Research output: Contribution to journalArticle

Frerichs, R. R. ; Keim, Paul S ; Barrais, R. ; Piarroux, R. / Nepalese origin of cholera epidemic in Haiti. In: Clinical Microbiology and Infection. 2012 ; Vol. 18, No. 6.
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