About the Authors

Stacy M. Holzbauer

Affiliations Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America, Epidemic Intelligence Service, Office of Workforce and Career Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Aaron S. DeVries

Aaron.DeVries@state.mn.us

Affiliation Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America

James J. Sejvar

Affiliation Division of Viral and Rickettsial Diseases, National Center for Zoonotic, Vector-borne and Enteric Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Christine H. Lees

Affiliation Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America

Jennifer Adjemian

Affiliation Epidemic Intelligence Service, Office of Workforce and Career Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Jennifer H. McQuiston

Affiliation Division of Viral and Rickettsial Diseases, National Center for Zoonotic, Vector-borne and Enteric Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Carlota Medus

Affiliation Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America

Catherine A. Lexau

Affiliation Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America

Julie R. Harris

Affiliation Epidemic Intelligence Service, Office of Workforce and Career Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Sergio E. Recuenco

Affiliation Division of Viral and Rickettsial Diseases, National Center for Zoonotic, Vector-borne and Enteric Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Ermias D. Belay

Affiliation Division of Viral and Rickettsial Diseases, National Center for Zoonotic, Vector-borne and Enteric Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

James F. Howell

Affiliation Public Health Preparedness and Emergency Response, Indiana State Department of Health, Indianapolis, Indiana, United States of America

Bryan F. Buss

Affiliations Epidemic Intelligence Service, Office of Workforce and Career Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Division of Public Health, Nebraska Department of Health and Human Services, Lincoln, Nebraska, United States of America

Mady Hornig

Affiliation Center for Infection and Immunity, Columbia University, New York, New York, United States of America

John D. Gibbins

Affiliations Epidemic Intelligence Service, Office of Workforce and Career Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Division of Surveillance, Hazard Evaluations, and Field Studies, National Institute for Occupational Safety and Health, Cincinnati, Ohio, United States of America

Scott E. Brueck

Affiliation Division of Surveillance, Hazard Evaluations, and Field Studies, National Institute for Occupational Safety and Health, Cincinnati, Ohio, United States of America

Kirk E. Smith

Affiliation Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America

Richard N. Danila

Affiliation Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America

W. Ian Lipkin

Affiliation Center for Infection and Immunity, Columbia University, New York, New York, United States of America

Daniel H. Lachance

Affiliation Department of Neurology, Mayo Clinic, Rochester, Minnesota, United States of America

P. James. B. Dyck

Affiliation Department of Neurology, Mayo Clinic, Rochester, Minnesota, United States of America

Ruth Lynfield

Affiliation Infectious Disease, Epidemiology, Prevention and Control Division, Minnesota Department of Health, Saint Paul, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SMH AD JJS CL JA JM CM CL JRH SR EDB JFH BFB MH JDG SEB KS RND WIL RL. Performed the experiments: SMH AD JJS CL JA JM CM CL JRH SR BFB MH JDG SEB DHL PJBD RL. Analyzed the data: SMH AD JJS CL JA JM CM CL JRH BFB MH JDG SEB KS RND RL. Contributed reagents/materials/analysis tools: SMH AD JJS CL JA JM CM CL JRH SR EDB JFH BFB MH JDG SEB KS RND WIL DHL PJBD RL. Wrote the paper: SMH AD JJS JA JRH MH KS RND RL.