title: Letters to the Editor.
authors.affiliation: Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA ; Emergency Response and Recovery Branch, Division of Global Health Protection, Centers for Disease Control and Prevention, Atlanta, GA, USA.
authors.forename: D
authors.initials: D
authors.lastname: Berendes
authors.affiliation: Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
authors.forename: K
authors.initials: K
authors.lastname: Levy
authors.affiliation: Environmental Microbiology Laboratory, Waterborne Disease Prevention Branch, Division of Food, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
authors.forename: J
authors.initials: J
authors.lastname: Knee
authors.affiliation: Emergency Response and Recovery Branch, Division of Global Health Protection, Centers for Disease Control and Prevention, Atlanta, GA, USA.
authors.forename: T
authors.initials: T
authors.lastname: Handzel
authors.affiliation: Environmental Microbiology Laboratory, Waterborne Disease Prevention Branch, Division of Food, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
authors.forename: V
authors.initials: V
authors.lastname: Hill