Seroprevalence of influenza C and D virus infections among cattle in Japan

IF 1.9 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Veterinary and Animal Science Pub Date : 2025-06-06 DOI:10.1016/j.vas.2025.100468

Kosuke Ohira , Kokoro Yokoe , Kaixin Li , Misa Katayama , Ayano Ichikawa , Akiko Takenaka-Uema , Wataru Sekine , Emi Takashita , Yasushi Muraki , Shin Murakami , Taisuke Horimoto

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Abstract

Although influenza C virus (ICV) and influenza D virus (IDV) circulate mainly among humans and cattle, respectively, recent studies in the USA have reported both viruses to be significantly related to the symptomatic bovine respiratory disease complex (BRDC), which causes economic losses in cattle farming. In this study, we conducted a serosurvey of ICV and IDV infections using cattle samples collected from five prefectures in Japan during 2020–2023. Hemagglutination inhibition testing indicated that the overall seroprevalence was 27.0 % for ICV and 48.5 % for IDV, the regional seroprevalence varied from 4.0 % to 36.9 % for ICV and from 10.8 % to 57.7 % for IDV, and the annual seroprevalence varied from 3.4 % to 23.2 % for ICV and from 21.8 % to 53.5 % for IDV. These results indicate that ICV and IDV are circulating widely among cattle in Japan, suggesting their possible involvement as the causative agents of BRDC.

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日本牛流感C型和D型病毒感染的血清流行率

尽管C型流感病毒（ICV）和D型流感病毒（IDV）分别主要在人类和牛之间传播，但美国最近的研究报告称，这两种病毒与造成养牛业经济损失的有症状的牛呼吸道疾病（BRDC）显著相关。在这项研究中，我们对2020-2023年期间从日本五个县收集的牛样本进行了ICV和IDV感染的血清调查。血凝抑制试验结果显示，ICV的总血清阳性率为27.0%，IDV为48.5%，ICV的地区血清阳性率为4.0% ~ 36.9%，IDV的地区血清阳性率为10.8% ~ 57.7%，ICV的年血清阳性率为3.4% ~ 23.2%，IDV的年血清阳性率为21.8% ~ 53.5%。这些结果表明，ICV和IDV在日本的牛中广泛传播，表明它们可能是BRDC的病原体。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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