Lingchuan Center for Disease Control and Prevention, Lingchuan, Guangxi, China
Quanzhou Center for Disease Control and Prevention, Quanzhou, Guangxi, China
Xing'an Center for Disease Control and Prevention, Xing'an, Guangxi, China
GuangXi Center for Diseases Control and Prevention, Nanning, Guangxi, China
Center for Vaccine Development-Mali, Bamako, Mali
Clinical Trial Institution for Anning First Hospital, Kunming, Yunan, China
Xiangcheng Center for Disease Control and Prevention, Xuchang, China
Xiangcheng Center for Disease Control and Prevention, Xuchang, China
Mianyang Center for Disease Control and Prevention, Mianyang, Sichuan, China
Sichuan Provincial Center for Disease Prevention and Control, Chengdu, Sichuan, China
GuangXi Center for Diseases Control and Prevention, Nanning, Guangxi, China
Hezhou Center for Disease Prevention and Control, Hezhou, Guangxi, China
Zhongshan Center for Disease Prevention and Control, Zhongshan, Guangxi, China