Safe water, sanitation, hygiene, and a cholera vaccine. Saturday 2 January 2016 Azman AS Ivers LC Legros D Luquero FJ Mintz ED Lancet (London, England) 2016 Jan 02; 387(10013); 28. doi: 10.1016/S0140-6736(15)01294-5. Epub 2016 01 25 Link to journal page