The document discusses various topics related to water-borne diseases including: - 62 water-borne disease outbreaks across 26 states affecting over 2,600 people as reported by the CDC - Toxic cyanobacteria and fecal pollution being major causes of recreational water illnesses - "Hot tub lung" disease resulting from exposure to biofilm and mycobacteria in hot tubs and spas - Preventive measures like proper hygiene and not swimming when ill that can reduce risk of water-borne illnesses