About the Authors

Mary G. Reynolds

nzr6@cdc.gov

Affiliation Poxvirus and Rabies Branch, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, United States of America

Robert C. Holman

Affiliation Division of Viral and Rickettsial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Krista L. Yorita Christensen

Affiliation Division of Viral and Rickettsial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

James E. Cheek

Affiliation Division of Epidemiology and Prevention, Office of Public Health Support, Indian Health Service, USDHHS, Albuquerque, New Mexico, United States of America

Inger K. Damon

Affiliation Poxvirus and Rabies Branch, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MGR RCH JEC IKD. Performed the experiments: MGR RCH KLYC. Analyzed the data: MGR RCH KLYC. Contributed reagents/materials/analysis tools: JEC. Wrote the paper: MGR RCH KLYC IKD.