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2026年5月,一起发生在“大西洋邮轮”上的汉坦病毒(Hantaviruses,HTNV)感染聚集事件,将这种长期潜伏在人类视野边缘的人兽共患病重新推到公众面前。世界卫生组织(World Health Organization,WHO)5月8日通报,截至当日,该事件已报告8例病例,其中6例经实验室确认为汉坦病毒感染,均为安第斯病毒(Andes virus,ANDV),3例死亡;WHO同时判断,该事件对全球普通人群构成的风险较低,但对船上乘客和船员的风险为中等。更值得注意的是,现有调查提示,首例病例可能在登船前因阿根廷、智利等地的环境暴露感染,船上部分后续病例则可能与近距离接触有关。

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    2026年5月,一起发生在“大西洋邮轮”上的汉坦病毒(Hantaviruses,HTNV)感染聚集事件,将这种长期潜伏在人类视野边缘的人兽共患病重新推到公众面前。世界卫生组织(World Health Organization,WHO)5月8日通报,截至当日,该事件已报告8例病例,其中6例经实验室确认为汉坦病毒感染,均为安第斯病毒(Andes virus,ANDV),3例死亡;WHO同时判断,该事件对全球普通人群构成的风险较低,但对船上乘客和船员的风险为中等。更值得注意的是,现有调查提示,首例病例可能在登船前因阿根廷、智利等地的环境暴露感染,船上部分后续病例则可能与近距离接触有关。

    . 汉坦病毒再次拉响警报. 科技导报, 2026 , 44 (9) : 2 -2 .
    . Science & Technology Review, 2026 , 44 (9) : 2 -2 .
    2026年5月,一起发生在“大西洋邮轮”上的汉坦病毒(Hantaviruses,HTNV)感染聚集事件,将这种长期潜伏在人类视野边缘的人兽共患病重新推到公众面前。世界卫生组织(World Health Organization,WHO)5月8日通报,截至当日,该事件已报告8例病例,其中6例经实验室确认为汉坦病毒感染,均为安第斯病毒(Andes virus,ANDV),3例死亡;WHO同时判断,该事件对全球普通人群构成的风险较低,但对船上乘客和船员的风险为中等。更值得注意的是,现有调查提示,首例病例可能在登船前因阿根廷、智利等地的环境暴露感染,船上部分后续病例则可能与近距离接触有关。
    汉坦病毒并不是一种新发病毒。它是一类主要由啮齿动物携带和传播的病毒,可引发2类临床综合征:一类是以肾损害、发热、出血和低血压为主要表现的肾综合征出血热(hemorrhagic feverwith renal syndrome,HFRS),多见于亚洲和欧洲;另一类是以急性肺水肿、低氧和休克为特征的汉坦病毒肺综合征(hantaviruspulmonary syndrome,HPS),主要见于美洲。
    汉坦病毒对宿主细胞的侵染具有高度的选择性,主要攻击血管内皮细胞。与许多导致细胞裂解的病毒不同,汉坦病毒并不直接杀死被感染的细胞。相反,致病过程主要受宿主免疫反应驱动。当病毒进入循环系统后,通过Gn/Gc糖蛋白复合物与内皮细胞表面的受体结合。随后引发的免疫失调会导致内皮细胞屏障功能严重受损,血管通透性急剧增加。在HPS中,这种血管渗漏直接导致血浆涌入肺泡,引发非心源性肺水肿、缺氧及心血管塌陷;而在HFRS中,病理生理过程则表现为肾小管周围血管的渗漏与肾功能的急性损害。
    庆幸的是,人通常并非病毒的自然宿主,而是在清扫鼠类污染环境、接触鼠尿鼠粪、吸入含病毒气溶胶,或被感染鼠类咬伤、抓伤时意外感染。大多数汉坦病毒并不在人与人之间传播,安第斯病毒是目前公认较特殊的一类,可在密切、持续接触条件下发生有限人际传播。这也是此次邮轮事件引发国际关注的核心原因:它并不意味着汉坦病毒具备类似呼吸道病毒的大规模传播能力,却暴露出全球旅行、密闭空间、跨国转运和多国检疫协作中的新挑战。邮轮上人员来自多个国家,部分人员在事件被识别前已下船,病例又存在较长潜伏期,使追踪、隔离、检测和风险沟通都变得复杂。WHO为此通过《国际卫生条例》机制协调多国开展接触者追踪,并向相关国家实验室提供检测试剂盒。
    治疗方面,汉坦病毒感染至今缺乏被广泛认可的特异性抗病毒疗法。重症患者救治的核心仍是早期识别和支持治疗。疫苗方面,中国和韩国已有针对部分HFRS相关病毒型别的灭活疫苗使用经验,但全球范围内仍缺少覆盖多型别、广泛获批的新一代通用疫苗。
    (综合:世界卫生组织、美国疾病预防控制中心、欧洲疾病预防控制中心)

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    Percentage of
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    鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
    小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
    多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
    红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
    小菇属 Mycena 11 5.26
    光柄菇属 Pluteus 5 2.39
    红菇属 Russula 17 8.13
    栓菌属 Trametes 5 2.39
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