1. Ali M, Nelson AR, Lopez AL, Sack D (2015) Updated global burden of cholera in endemic countries. PLoS Negl Trop Dis 9:e0003832
2. Azman AS, Rudolph KE, Cummings DA, Lessler J (2013) The incubation period of cholera: a systematic review. J Infect 66:432–843
3. Bell J, Condie DF (1832) Epidemic cholera. Report of the College of Physicians to the Board of Health. Th. DeSilver, Philadelphia
4. Brock T (1999) Robert Koch, a life in medicine and bacteriology. ASM Press, Washington
5. Daly WJ (2008) The black cholera comes to the central valley of America in the 19th century – 1832, 1849, and later. Trans Am Clin Climatol Assoc 119:143–152