Hedgehogs as Amplifying Hosts of Severe Fever with Thrombocytopenia Syndrome Virus, China
| Autor: | Chaoyue Zhao, Xing Zhang, Xiaoxi Si, Ling Ye, Kevin Lawrence, Yajun Lu, Chunhong Du, Haidong Xu, Qian Yang, Qianfeng Xia, Guoxiang Yu, Wei Xu, Fei Yuan, Junfeng Hao, Jia-Fu Jiang, Aihua Zheng |
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| Jazyk: | angličtina |
| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | Emerging Infectious Diseases, Vol 28, Iss 12, Pp 2491-2499 (2022) |
| Druh dokumentu: | article |
| ISSN: | 1080-6040 1080-6059 |
| DOI: | 10.3201/eid2812.220668 |
| Popis: | Severe fever with thrombocytopenia syndrome virus (SFTSV) is a tickborne bandavirus mainly transmitted by Haemaphysalis longicornis ticks in East Asia, mostly in rural areas. As of April 2022, the amplifying host involved in the natural transmission of SFTSV remained unidentified. Our epidemiologic field survey conducted in endemic areas in China showed that hedgehogs were widely distributed, had heavy tick infestations, and had high SFTSV seroprevalence and RNA prevalence. After experimental infection of Erinaceus amurensis and Atelerix albiventris hedgehogs with SFTSV, we detected robust but transitory viremias that lasted for 9–11 days. We completed the SFTSV transmission cycle between hedgehogs and nymph and adult H. longicornis ticks under laboratory conditions with 100% efficiency. Furthermore, naive H. longicornis ticks could be infected by SFTSV-positive ticks co-feeding on naive hedgehogs; we confirmed transstadial transmission of SFTSV. Our study suggests that the hedgehogs are a notable wildlife amplifying host of SFTSV in China. |
| Databáze: | Directory of Open Access Journals |
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