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Table 1 The 213 Y. pestis isolates used in this study

From: MLVA distribution characteristics of Yersinia pestisin China and the correlation analysis

Plague focus in China

Focus designation in this study

Geographical origin

Year

No. of isolates tested

Marmota caudate Plague Focus of the Pamirs Plateau

A

 

Xinjiang

1956-1997

10

Marmota baibacina-Spermophilus undulates Plague Focus of the Tianshan Mountains

B

B1

Xinjiang

------

0

  

B2

Xinjiang

1958-1998

12

  

B3

Xinjiang

1956-1994

20

  

B4

Xinjiang

1975-1987

6

Marmota himalayana Plague Focus of the Qinghai-Gansu-Tibet Grassland

C

 

Tibet, Qinghai, Gansu

1954-1997

38

Marmota himalayana Plague Focus of the Qilian Mountain

D

 

Qinghai, Gansu

1958-2001

20

Apodemus chevrieri-Eothenomys miletus Plague Focus of the highland of Northwestern Yunnan Province

E

 

Yunnan

1954-1994

12

Rattus flavipectus Plague Focus of the Yunnan-Guangdong-Fujian provinces

F

 

Yunnan, Guizhou

1952-2002

22

Marmota himalayana Plague Focus of the Gangdisi Mountains

G

 

Tibet

1966-1998

13

Spermophilus dauricus Plague Focus of the Song-Liao Plain

H

 

Inner Mongolia, Jilin

1953-1970

10

Meriones unguiculatus Plague Focus of the Inner Mogolian Plateau

I

 

Inner Mongolia, Hebei

1970-1995

8

Spermophilus dauricus alaschanicus Plague Focus of the Loess Plateau in Gansu and Ningxia provinces

J

 

Ningxia, Gansu

1962-1978

9

Marmota himalayana Plague Focus of the Kunlun Mountains

K

K1

Xinjiang

1972-1979

6

  

K2

 

1985

2

Microtus brandti Plague Focus of the Xilin Gol Grassland

L

 

Inner Mongolia

1970-1987

9

Microtus fuscus Plague Focus of the Qinghai-Tibet Plateau

M

 

Qinghai, Sichuan

1997-2001

10

Marmota sibirica Plague Focus of the Hulun Buir Plateau of Inner Mongolia

N

 

Inner Mongolia

------

0

Rhombomys opimus Plague Focus of the Junggar Basin of Xinjiang

O

 

Xinjiang

------

0

Yulong, Yunnan

P

 

Yunnan

2006

5