Emergence of Oropouche virus among international travelers: A growing concern in non-endemic areas

Enfermedades infecciosas y microbiologia clinica (English ed.) Pub Date : 2025-10-01 DOI:10.1016/j.eimce.2025.01.009

Aida Peiró-Mestres , Elisa Riera , Claudia Flores Calderón , Jessica Navero-Castillejos , Miguel J. Martinez , Daniel Camprubí-Ferrer

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Abstract

Introduction

Oropouche fever is an emerging disease caused by an arthropod-borne virus, Oropouche virus. This virus is mainly circulating in Central and South America. In 2024 they have been reported an ongoing outbreak.

Methods

For this study, travelers returning from endemic areas with dengue-like symptoms and negative results for dengue from March to October 2024, were tested for Oropouche through RT-PCR.

Results

Among 43 patients tested, we detected an imported case of Oropouche fever imported from Cuba in a traveler presenting biphasic fever and neurological symptoms. The virus was detected by RT-PCR in urine samples collected more than one month after the onset of symptoms, suggesting prolonged viral shedding and expanding the diagnostic period for molecular confirmation of the infection.

Conclusion

Although only few cases have been yet reported in European travelers, the expansion of the virus in the Americas supports laboratory preparedness and clinical awareness.

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国际旅行者中出现欧罗波切病毒：在非流行地区日益引起关注。

简介：Oropouche热是由一种节肢动物传播的病毒Oropouche病毒引起的一种新出现的疾病。这种病毒主要在中美洲和南美洲流行。据报道，在2024年，他们正在爆发疫情。方法：在本研究中，通过RT-PCR对2024年3月至10月从登革热流行地区返回的具有登革热样症状且登革热阴性结果的旅行者进行Oropouche检测。结果：在检测的43例患者中，我们在一名出现双相热和神经症状的旅行者中发现了一例从古巴输入的Oropouche热。在症状出现一个多月后收集的尿液样本中，通过RT-PCR检测到该病毒，表明病毒脱落时间延长，并延长了对感染进行分子确认的诊断期。结论：虽然在欧洲旅行者中仅报告了少数病例，但该病毒在美洲的扩大支持了实验室准备和临床意识。

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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Enfermedades infecciosas y microbiologia clinica (English ed.)

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