Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
, Baiqing Wei1
, Yujiang Zhang1
, Jun Liu1
, Jinxiao Xi1
, Dunzhu Ciren1
, Teng Qi1
, Junrong Liang, Ran Duan, Shuai Qin, Dongyue Lv, Yuhuang Chen, Meng Xiao, Rong Fan, Zhizhong Song, Huaiqi Jing, and Xin Wang
Author affiliations: National Institute for Communicable Disease Control and Prevention, Beijing, China (Z. He, J. Liang, R. Duan, S. Qin, D. Lv, M. Xiao, R. Fan, H. Jing, X. Wang); Qinghai Institute for Endemic Disease Control and Prevention, Xining, China (B. Wei); Center for Disease Control and Prevention of Xinjiang Uygur Autonomous Region, Urumqi, China (Y. Zhang); Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention, Hohhot, China (J. Liu); Gansu Provincial Centre for Disease Control and Prevention, Lanzhou, China (J. Xi); Center for Disease Control and Prevention of Tibet Autonomous Region, Lhasa, China (D. Ciren); Sichuan Center for Disease Control and Prevention, Chengdu, China (T. Qi); Shenzhen Nanshan Maternity and Child Healthcare Hospital, Shenzhen, China (Y. Chen); Yunnan Center for Disease Control and Prevention, Kunming, China (Z. Song)
Figure 4. Frequency of human plague cases and case-fatality rates in 2 Marmota plague foci, China, 1950–2019. A) Marmota himalayana plague focus of the Qinghai-Tibet Plateau, which includes Qinghai Province, Gansu Province, Tibet Autonomous Region, Sichuan Province, and Xinjiang Uygur Autonomous Region. B) Marmota baibacina–Spermophilus undulatus plague focus includes Xinjiang Uygur Autonomous Region.
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