[1] Chinese Ctr Dis Control & Prevent, Shanghai, Peoples R China
[2] WHO, Collaborating Ctr Trop Dis, Shanghai, Peoples R China
[3] Natl Ctr Int Res Trop Dis, Shanghai, Peoples R China
[4] Tengchong Cty Ctr Dis Control & Prevent, Tengchong, Peoples R China
[5] Chinese Acad Med Sci, Inst Basic Med Sci, Dept Biochem & Mol Biol, Beijing 100730, Peoples R China
[6] Peking Union Med Coll, Sch Basic Med, Beijing 100021, Peoples R China
[7] Univ Calif San Francisco, San Francisco, CA 94143 USA
[8] Ctr Dis Control & Prevent, Atlanta, GA USA
[9] Chinese Acad Sci, Shanghai, Peoples R China