About the Authors
Poxvirus and Rabies Branch, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, United States of America
Division of Viral and Rickettsial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
Division of Epidemiology and Prevention, Office of Public Health Support, Indian Health Service, USDHHS, Albuquerque, New Mexico, United States of America
The authors have declared that no competing interests exist.
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.