据新华社报道，印度东部西孟加拉邦近期出现尼帕病毒感染病例，目前已报告5例确诊病例，其中一名患者病情危重。泰国、尼泊尔等国已在机场和边境 口岸加强防疫检测。 报道称，近100人被要求居家隔离，感染者正在该邦首府加尔各答及周边医院接受治疗，其中一名患者病情危重。 据世界卫生组织（WHO）介绍，尼帕病毒是一种人畜共患病毒，可通过受感染的动物（如蝙蝠或猪）或受这些被感染动物唾液、尿液和排泄物污染的食 物传染给人类，少数情况下也可人际传播。人类感染后的症状包括急性呼吸道感染和致命性脑炎。目前尚无获得许可的疫苗或特效药。 受此消息影响，1月26日，A股疫苗和体外诊断（IVD）板块集体大涨，多只个股涨停。华兰疫苗（301207）、金迪克20CM涨停，智飞生物 （300122）、康希诺、沃森生物（300142）等多只概念股大涨。 | ( 日 | | 疫苗指数(8841313) | | | --- | --- | --- | --- | | | | 1484.46 91.85 6.60% | | | 资料 | 成分 资讯 | 相关基金 | 月度收益 | | 名称 | | 现价 | 涨跌幅 一 | | 华兰疫苗 | | 23.3 ...

Core Viewpoint - The recent outbreak of Nipah virus in West Bengal, India, has raised concerns, leading to increased preventive measures in neighboring countries and a significant rise in stock prices of vaccine and IVD companies in the A-share market [1][12]. Group 1: Nipah Virus Overview - Nipah virus (NiV) is a zoonotic RNA virus with a high mortality rate, classified as a biosafety level 4 pathogen by WHO, with a fatality rate ranging from 40% to 75% [6][8]. - The natural reservoir for Nipah virus is fruit bats, which can transmit the virus to humans through contaminated food or environments [6][8]. - Recent data indicates that India has experienced a resurgence of Nipah virus cases, particularly in Kerala and now West Bengal, with localized outbreaks showing high fatality rates [7][8]. Group 2: Market Impact - Following the news of Nipah virus cases, the A-share vaccine and IVD sectors saw a collective surge, with companies like Hualan Biological and Jindike hitting the daily limit up [1][12]. - Specific stock performances included Hualan Biological at 23.34 with a 20% increase, Jindike at 25.28 with a 19.98% increase, and others like Zhifei Biological and CanSino also showing significant gains [2][3]. Group 3: Detection and Response - Early detection of Nipah virus is crucial, with the incubation period ranging from 3 to 14 days, and initial symptoms resembling flu, which can lead to misdiagnosis [10][12]. - Various detection methods are in use, including antibody and nucleic acid tests, with companies like Zhijiang Biological and Daan Gene developing specific test kits for Nipah virus [10][11]. - The new revised "Law on Frontier Health and Quarantine" in China includes Nipah virus in its detection protocols, highlighting the importance of monitoring and response [10]. Group 4: Vaccine Development - Although there is currently no approved treatment for Nipah virus, research is ongoing, with vaccines entering clinical trials and monoclonal antibodies showing potential in compassionate use [12]. - Companies involved in vaccine development, such as Watson Bio, Zhifei Biological, and Hualan Biological, have seen stock price increases, reflecting investor optimism regarding potential future products [12].

龙虎榜机构热股 今天机构龙虎榜上榜55只个股，净买入26只，净卖出29只。当日机构买入最多的个股前三位是：鼎通科技（3日9.13亿）、乾照光电（3日4.15亿）、网宿科 技（2.18亿）。 | 上榜热股 | 实时涨跌幅 | 买/卖家数 | 村 | | --- | --- | --- | --- | | 鼎通科技 688668.SS | +6.96% | 3/2 | | | 3日 | | | | | 乾照光电 300102.SZ | +8.55% | 3/2 | | | 3日 | | | | 网宿科技 今日龙虎榜显示，3家机构净买入2.18亿。 金迪克 据媒体报道称，亚马逊云科技（AWS）近日上调其EC2机器学习容量块（Capacity Blocks for ML）价格约15%，其中p5e.48xlarge实例每小时费用由34.61美元 涨至39.80美元。此举被视为AI算力资源紧缺背景下云计算定价逻辑的重大转变。 个股龙虎榜 子公司爱捷云提供GPU云算力、CPU云算力等一站式算力租赁服务。 龙虎榜知名游资 一、尼帕病毒 据媒体报道称，近日，印度西孟加拉邦暴发尼帕病毒疫情。 之江生物 个股龙虎榜 据公司公告，尼 ...