Affiliation: | Yunnan Center for Disease Control and Prevention, No.158, Dongsi Street, Xishan Municipal, Kunming, Yunnan Province, China;Honghe Municipal Center for Disease Control and Prevention, Honghe, Yunnan Province, China;Dehong Municipal Center for Disease Control and Prevention, Dehong, Yunnan Province, China;Yuxi Municipal Center for Disease Control and Prevention, Yuxi, Yunnan Province, China;Zhaotong Municipal Center for Disease Control and Prevention, Zhaotong, Yunnan Province, China;Kunming Municipal Center for Disease Control and Prevention, Kunming, Yunnan Province, China;Puer Municipal Center for Disease Control and Prevention, Puer, Yunnan Province, China;Wenshan Municipal Center for Disease Control and Prevention, Wenshan, Yunnan Province, China;Lincang Municipal Center for Disease Control and Prevention, Lincang, Yunnan Province, China |