About the Authors

Rachel B. Slayton

RSlayton@cdc.gov

Affiliations Epidemic Intelligence Service Officer, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

George Turabelidze

Affiliation Missouri Department of Health and Senior Services, Eastern District Office, St. Louis, Missouri, United States of America

Sarah D. Bennett

Affiliations Epidemic Intelligence Service Officer, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Colin A. Schwensohn

Affiliation Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Anna Q. Yaffee

Affiliation Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Faisal Khan

Affiliation Communicable Disease Control Services, St. Louis County Department of Health, St. Louis, Missouri, United States of America

Cindy Butler

Affiliation Missouri Department of Health and Senior Services, Eastern District Office, St. Louis, Missouri, United States of America

Eija Trees

Affiliation Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Tracy L. Ayers

Affiliation Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Marjorie L. Davis

Affiliation Coordinated Outbreak Response and Evaluation Team, Food and Drug Administration, College Park, Maryland, United States of America

Alison S. Laufer

Affiliations Epidemic Intelligence Service Officer, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Stephen Gladbach

Affiliation Missouri Department of Health and Senior Services, Eastern District Office, St. Louis, Missouri, United States of America

Ian Williams

Affiliation Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Laura B. Gieraltowski

Affiliation Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RBS GT SDB CAS AQY FK IW LBG ASL. Performed the experiments: CB ET MLD SG ASL. Analyzed the data: RBS SDB CAS TLA. Wrote the paper: RBS GT SDB CAS AQY FK CB ET TLA MLD SG IW LBG ASL.