Outbreak of beriberi in a prison in Côte d'Ivoire.

Background: A beriberi outbreak occurred in the Maison d'Arrêt et de Correction d'Abidjan (MACA), a detention center in Abidjan, Côte d'Ivoire, between October 2002 and April 2003.

Objective: A retrospective investigation was conducted to document the outbreak in April 2003.

Methods: A descriptive analysis and a case-control study were performed.