Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
Zhaokai He
1, Baiqing Wei
1, Yujiang Zhang
1, Jun Liu
1, Jinxiao Xi
1, Dunzhu Ciren
1, Teng Qi
1, 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)
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Figure 6
Figure 6. Human plague cases detected in 4 Marmota plague foci, China. A) 1950–1969; B) 1970–2003; C) 2004–2019. Dot size indicates the number of years during which plague occurred in each timeframe; dot colors indicates number of periods (A, B, C) during which plague occurred for each location. Blue shading indicates the Marmota himalayana plague focus; purple shading indicates the Marmota baibacina–Spermophilus undulatus plague focus; red shading indicates the Marmota caudata plague focus; and yellow shading indicates the Marmota sibirica plague focus.
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