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Volume 31, Number 9—September 2025

Research

Theileria luwenshuni and Novel Babesia spp. Infections in Humans, Yunnan Province, China

Rong Xiang1, Chun-Hong Du1, Yi-Lin Zhao1, Zhi Luo, Miao Li, Dan-Ni Zeng, Fan Wang, Chao-Bo Du, Yi SunComments to Author , Qiao-Cheng ChangComments to Author , and Jia-Fu JiangComments to Author 
Author affiliation: Author affiliations: State Key Laboratory of Pathogen and Biosecurity, Academy of Military Medical Sciences, Beijing, China (R. Xiang, Y.-L. Zhao, D.-N. Zeng, Y. Sun, J.-F. Jiang); Yunnan Institute of Endemic Disease Control and Prevention, Dali, China (C.-H. Du, Z. Luo, M. Li, F. Wang, C.-B. Du ); School of Public Health at Shantou University, Shantou, China (Q.-C. Chang)

Main Article

Table 2

Piroplasmorida infections by pathogen in humans, livestock, small mammals, and ticks, southwest China, May 2017–June 2020*

Pathogen No. positive/no. tested
Tengchong Puer Jianchuan Yunlong Dali Gengma Fugong Deqin Weixi SL Total
Human with fever
Babesia microti 0/583 0/171 0/28 0/64 0/141 0/325 0/10 1/40† 1/1,362
Total
 0/583
 0/171
 0/28
 0/64
 0/141
 0/325
 0/10
 1/40†
 1/1,362
Human with anemia
B. microti 2/174 NA NA 0/21 0/151 0/13 NA NA NA NA 2/359
B. tianzhu like 3/174 NA NA 0/21 0/151 0/13 NA NA NA NA 3/359
Theileria luwenshuni 13/174 NA NA 0/21 0/151 0/13 NA NA NA NA 13/359
Total
 18/174
 NA
 NA
 0/21
 0/151
 0/13
 NA
 NA
 NA
 NA
 18/359
Livestock
B. microti 1/758 0/10 1/2,100
B. tianzhu like 2/758 NA 26/175 16/212 NA 1/54 NA NA 2/200 0/450 47/2,100
B. bigemina 20/758 NA 0/175 0/212 NA 0/54 NA NA 8/200 5/450 33/2,100
B. bovis 7/758 NA 0/175 0/212 NA 0/54 NA NA 2/200 4/450 13/2,100
T. luwenshuni 53/758 NA 0/175 0/212 NA 0/54 NA NA 0/200 0/450 53/2,100
Total
 82/758
 0/10
 26/175
 16/212
1/54
 0/139
 0/102
 12/200
 9/450
 147/2,100
Small mammals
B. microti 8/299 3/10 0/212 19/177 0/126 NA 0/135 3/346 2/99 0/126 35/1,530
Babesia sp. 0/299 0/10 0/212 0/177 2/126 NA 0/135 0/346 0/99 0/126 2/1,530
Total
 8/299
 3/10
 0/212
 0/177
 0/126
 NA
 0/135
 3/346
 2/99
 0/126
 37/1,530
Ticks
B. microti 8/405 0/10 0/284 2/127 NA 0/187 NA 0/144 0/359 NA 10/1,516
B. bigemina 0/405 0/10 3/284 0/127 NA 0/187 NA 1/144 0/359 NA 4/1,516
B. tianzhu like 0/405 0/10 2/284 2/127 NA 0/187 NA 0/144 5/359 NA 9/1,516
B. bovis 0/405 0/10 1/284 0/127 NA 0/187 NA 0/144 0/359 NA 1/1,516
Babesia sp. 0/405 0/10 0/284 0/127 NA 0/187 NA 0/144 12/359 NA 12/1,516
T. luwenshuni 0/405 0/10 0/284 0/127 NA 0/187 NA 1/144 0/359 NA 1/1,516
Total 405 10 284 127 NA 0/187 NA 144 359 NA 37/1,516

*NA, not available; SL, Shangri-La. †These patients are from the same autonomous prefecture, and the case records do not specify the county-level units.

Main Article

1These authors contributed equally to this article.

Page created: July 17, 2025
Page updated: August 26, 2025
Page reviewed: August 26, 2025
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