Journal
EMERGING MICROBES & INFECTIONS
Volume 11, Issue 1, Pages 2632-2635Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/22221751.2022.2134054
Keywords
Relapsing fever; Borrelia; tick; mammal; China
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Funding
- National Natural Science Foundation of China [81825019, 81621005]
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In a field investigation in China, relapsing fever (RF) Borrelia was found in ticks and wild mammals. Multiple species were identified, including human-pathogenic Borrelia miyamotoi, Borrelia persica, and unclassified Babesia sp. The coexistence of RF Borrelia species in certain tick species poses a potential threat to public health.
We identified relapsing fever (RF) Borrelia in 1.45% (145/10426) of the ticks and 1.40% (40/2850) of the wild mammals in a field investigation in China. Three RF Borrelia species, including human-pathogenic Borrelia miyamotoi, Borrelia persica and unclassified Babesia sp. were determined. Main species determined from ticks was B. miyamotoi (44.14%), followed by the unclassified Borrelia sp. (42.76%), and Borrelia theileri (13.10%). In wild mammals, main species found was B. persica (57.50%), followed by the unclassified Borrelia sp. (40.00%), and B. miyamotoi (2.50%). We determined B. theileri and B. persica in China for the first time. The coexistence of RF Borrelia species in one tick species in a given region was observed, with the most frequent coexistence seen for B. miyamotoi and the unclassified Borrelia sp. in Dermacentor silvarum, Haemaphysalis japonica, Haemaphysalis longicornis, and Ixodes persulcatuss respectively. The wide distribution and high variety of RF Borrelia in China pose a potential threat to public health.
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