Azman, A. S., F. J. Luquero, A. Rodrigues, P. P. Palma, R. F. Grais, C. N. Banga, B. T. Grenfell, and J. Lessler. 2012. Urban cholera transmission hotspots and their implications for reactive vaccination: evidence from Bissau city, Guinea bissau. PLoS Negl Trop Dis 6:e1901.