1. Divison of Infectious Disease; Chinese Center for Disease Control and Prevention; Beijing China
2. Jingzhou Center for Disease Control and Prevention; Jingzhou China
3. China-US Collaborative Program on Emerging and Re-emerging Infection Disease; US Centers for Disease Control and Prevention; Beijing China
4. Hubei Provincial Centre for Disease Control and Prevention; Wuhan China
5. Jingzhou Central Hospital; Jingzhou China
6. Jingzhou First People's Hospital; Jingzhou China
7. Jingzhou Second People's Hospital; Jingzhou China
8. Jingzhou Maternal and Children's Hospital; Jingzhou China
9. Public Health Emergency Center; Chinese Center for Disease Control and Prevention; Beijing China
10. Chinese Center for Disease Control and Prevention; Beijing China
11. Influenza Division; National Center for Immunization and Respiratory Diseases; Centers for Disease Control and Prevention; Atlanta GA USA
12. Global Disease Detection Program; Division of Global Disease Detection and Response; Center for Global Health; Centers for Disease Control and Prevention; Atlanta GA USA