巴西东南部口腔热的病毒,临床和流行病学特征
Ezequias Batista Martins1,2, Otilia Lupi1, Otávio Melo Espíndola1
1Laboratório de Doenças Febris Agudas, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.
Open forum infectious diseases
|January 9, 2026
概括
一种新型的Oropouche病毒 (OROV) 重组剂在巴西各地引起疾病,症状包括发烧和皮疹. 一些患者出现了反复出现的症状,并在尿液中检测到数周的OROV RNA,这表明其具有诊断效用.
科学领域:
- 病毒学 病毒学
- 流行病学 流行病学
- 临床医学 临床医学
背景情况:
- 一种类型为树冠病毒的口口病毒 (OROV) 已经扩散到亚马逊盆地之外.
- 一个重新分类的血统最近在拉丁美洲和亚马逊以外的巴西蔓延.
- 有限的临床数据可用于在流行地区以外的OROV病例.
研究的目的:
- 描述OROV病例的病毒,临床和流行病学特征.
- 为了调查在巴西里约热内卢和米纳斯吉拉斯州流传的新型重组血统.
- 了解OROV感染的临床过程和诊断潜力.
主要方法:
- 对已确认OROV暴露的成年患者进行长度研究.
- 收集和分析临床和实验室数据.
- 在血清,尿液和唾液样本中检测和测序OROVRNA.
主要成果:
- 55例OROV确诊病例,主要为女性 (65%),平均年龄为46岁.
- 急性症状包括头痛 (87%),不适 (87%),发烧 (82%),肌痛 (75%) 和皮疹 (45%).
- 三分之一的患者出现症状复发;在血清/唾液 (1周) 和尿液 (3周以后) 中检测到OROVRNA.
结论:
- 一种新型的OROV复合剂正在巴西流通,导致发烧性疾病和皮疹.
- 症状复发是常见的,突出显示了对患者随访的需要.
- 在尿液中长时间检测OROVRNA表明它对诊断有用,特别是在生态旅游环境中.
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