Kenya experienced widespread cholera outbreaks in 1997–1999 and 2007–-2010. The re-emergence of cholera in Kenya in 2022 indicates that cholera remains a public health threat. Health authorities in Machakos reported cholera outbreak Machakos school for the deaf and Machakos main prison in October 2022. Understanding the risk factors is important for preventing future outbreaks. We sought to identify risk factors for the outbreak. 