PRO/AH/EDR> Recreational waterborne outbreaks – USA: (CA, ME, MN) CDC, 2018-2019

Shigellosis, Norovirus, E. coli — United States
Outbreaks associated with fresh or marine (that is, untreated) recreational water can be caused by pathogens or chemicals, including toxins. Voluntary reporting of these outbreaks to CDC’s National Outbreak Reporting System (NORS) began in 2009. NORS data for 2009-2017 are finalized, and data for 2018-2019 are provisional. During 2009-2019 (as of 13 May 2020), public health officials from 31 states voluntarily reported 119 untreated recreational water-associated outbreaks, resulting at least