Notes from the field: Salmonella Typhi infections associated with contaminated water–Zimbabwe, October 2011-May 2012

On October 25, 2011, a cluster of approximately 20 suspected cases of typhoid fever in residents of Dzivaresekwa, a high-density suburb of Harare, Zimbabwe, was reported to the City of Harare City Health Department. On November 22, a team from CDC-Atlanta, CDC-Kenya/Kenya Medical Research Institute, and the South Africa Field Epidemiology and Laboratory Training Program, was invited to assist with the investigation by providing epidemiologic and microbiologic support to better describe the outbreak and to evaluate response efforts.