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US mortality rates for typhoid fever and water chlorination.
Source: Chlorine Chemistry Council (C3) and Canadian Chlorine Coordinating Committee (C4). Drinking water chlorination: a review of disinfection practices and issues. Adapted from US Centers for Disease Control and Prevention, Summary of Notifiable Diseases, 1997. Available at: http://www.waterandhealth.org/drinkingwater/wp.html (accessed 16 August 2016).
