About the Authors

Alicia M. Fry

afry@cdc.gov

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Xiaoyan Lu

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

Sonja J. Olsen

Affiliation Division of Emerging Infections and Surveillance Services, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Malinee Chittaganpitch

Affiliation National Institute of Health, Thailand Ministry of Public Health, Nonthaburi, Thailand

Pongpun Sawatwong

Affiliation International Emerging Infections Program, Thai MOPH-U.S.CDC Collaboration, Nonthaburi, Thailand

Somrak Chantra

Affiliation International Emerging Infections Program, Thai MOPH-U.S.CDC Collaboration, Nonthaburi, Thailand

Henry C. Baggett

Affiliation International Emerging Infections Program, Thai MOPH-U.S.CDC Collaboration, Nonthaburi, Thailand

Dean Erdman

Affiliation Division of Viral 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: AMF XL SJO DE HCB. Performed the experiments: AMF XL DE MC PS SJO HCB. Analyzed the data: AMF SJO HCB. Contributed reagents/materials/analysis tools: XL MC PS SC. Wrote the paper: AMF XL SJO MC PS SC HCB DE.