Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019

We analyzed epidemiologic characteristics and distribution of 1,067 human plague cases and 5,958 Yersinia pestis isolates collected from humans, host animals, and insect vectors during 1950–2019 in 4 Marmota plague foci in China. The case-fatality rate for plague in humans was 68.88%; the overall t...

Full description

Bibliographic Details
Main Authors: Zhaokai He, Baiqing Wei, Yujiang Zhang, Jun Liu, Jinxiao Xi, Dunzhu Ciren, Teng Qi, Junrong Liang, Ran Duan, Shuai Qin, Dongyue Lv, Yuhuang Chen, Meng Xiao, Rong Fan, Zhizhong Song, Huaiqi Jing, Xin Wang
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2021-10-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/27/10/20-2239_article
id doaj-a93e7cacc03c45dfa2e824cac88b51dd
record_format Article
spelling doaj-a93e7cacc03c45dfa2e824cac88b51dd2021-09-20T16:37:42ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592021-10-0127102544255310.3201/eid2710.202239Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019Zhaokai HeBaiqing WeiYujiang ZhangJun LiuJinxiao XiDunzhu CirenTeng QiJunrong LiangRan DuanShuai QinDongyue LvYuhuang ChenMeng XiaoRong FanZhizhong SongHuaiqi JingXin Wang We analyzed epidemiologic characteristics and distribution of 1,067 human plague cases and 5,958 Yersinia pestis isolates collected from humans, host animals, and insect vectors during 1950–2019 in 4 Marmota plague foci in China. The case-fatality rate for plague in humans was 68.88%; the overall trend slowly decreased over time but fluctuated greatly. Most human cases (98.31%) and isolates (82.06%) identified from any source were from the Marmota himalayana plague focus. The tendency among human cases could be divided into 3 stages: 1950–1969, 1970–2003, and 2004–2019. The Marmota sibirica plague focus has not had identified human cases nor isolates since 1926. However, in the other 3 foci, Y. pestis continues to circulate among animal hosts; ecologic factors might affect local Y. pestis activity. Marmota plague foci are active in China, and the epidemic boundary is constantly expanding, posing a potential threat to domestic and global public health. https://wwwnc.cdc.gov/eid/article/27/10/20-2239_articleMarmotaplaguemarmotsYersinia pestisepidemiologybacteria
collection DOAJ
language English
format Article
sources DOAJ
author Zhaokai He
Baiqing Wei
Yujiang Zhang
Jun Liu
Jinxiao Xi
Dunzhu Ciren
Teng Qi
Junrong Liang
Ran Duan
Shuai Qin
Dongyue Lv
Yuhuang Chen
Meng Xiao
Rong Fan
Zhizhong Song
Huaiqi Jing
Xin Wang
spellingShingle Zhaokai He
Baiqing Wei
Yujiang Zhang
Jun Liu
Jinxiao Xi
Dunzhu Ciren
Teng Qi
Junrong Liang
Ran Duan
Shuai Qin
Dongyue Lv
Yuhuang Chen
Meng Xiao
Rong Fan
Zhizhong Song
Huaiqi Jing
Xin Wang
Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
Emerging Infectious Diseases
Marmota
plague
marmots
Yersinia pestis
epidemiology
bacteria
author_facet Zhaokai He
Baiqing Wei
Yujiang Zhang
Jun Liu
Jinxiao Xi
Dunzhu Ciren
Teng Qi
Junrong Liang
Ran Duan
Shuai Qin
Dongyue Lv
Yuhuang Chen
Meng Xiao
Rong Fan
Zhizhong Song
Huaiqi Jing
Xin Wang
author_sort Zhaokai He
title Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
title_short Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
title_full Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
title_fullStr Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
title_full_unstemmed Distribution and Characteristics of Human Plague Cases and Yersinia pestis Isolates from 4 Marmota Plague Foci, China, 1950–2019
title_sort distribution and characteristics of human plague cases and yersinia pestis isolates from 4 marmota plague foci, china, 1950–2019
publisher Centers for Disease Control and Prevention
series Emerging Infectious Diseases
issn 1080-6040
1080-6059
publishDate 2021-10-01
description We analyzed epidemiologic characteristics and distribution of 1,067 human plague cases and 5,958 Yersinia pestis isolates collected from humans, host animals, and insect vectors during 1950–2019 in 4 Marmota plague foci in China. The case-fatality rate for plague in humans was 68.88%; the overall trend slowly decreased over time but fluctuated greatly. Most human cases (98.31%) and isolates (82.06%) identified from any source were from the Marmota himalayana plague focus. The tendency among human cases could be divided into 3 stages: 1950–1969, 1970–2003, and 2004–2019. The Marmota sibirica plague focus has not had identified human cases nor isolates since 1926. However, in the other 3 foci, Y. pestis continues to circulate among animal hosts; ecologic factors might affect local Y. pestis activity. Marmota plague foci are active in China, and the epidemic boundary is constantly expanding, posing a potential threat to domestic and global public health.
topic Marmota
plague
marmots
Yersinia pestis
epidemiology
bacteria
url https://wwwnc.cdc.gov/eid/article/27/10/20-2239_article
work_keys_str_mv AT zhaokaihe distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT baiqingwei distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT yujiangzhang distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT junliu distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT jinxiaoxi distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT dunzhuciren distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT tengqi distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT junrongliang distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT randuan distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT shuaiqin distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT dongyuelv distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT yuhuangchen distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT mengxiao distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT rongfan distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT zhizhongsong distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT huaiqijing distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
AT xinwang distributionandcharacteristicsofhumanplaguecasesandyersiniapestisisolatesfrom4marmotaplaguefocichina19502019
_version_ 1717373917961650176