Core Viewpoint - The article highlights the rising stock prices of flu vaccine concept stocks, particularly Jindike (688670.SH), due to an increase in flu activity in southern China and a warning about the respiratory syncytial virus (RSV) during the flu season [3][4]. Group 1: Flu and RSV Activity - The latest flu monitoring report indicates an increase in flu activity in southern provinces and most northern provinces during the 44th week of 2025 [3]. - RSV is also a concern, with a detection rate of 8.5% among severe acute respiratory infection cases, ranking second after rhinovirus [4][5]. - In Tianjin, RSV infections have peaked earlier this year compared to last year, with a notable increase in cases during the autumn and winter seasons [5][6]. Group 2: Infection Risks and Prevention - RSV poses a significant risk, especially for children under five, with the highest risk for those under one year old [6]. - The article emphasizes the importance of preventing severe RSV and flu infections to avoid complications such as pneumonia and meningitis [6][8]. - Recommendations for prevention include vaccination for children over six months against flu, and the use of RSV monoclonal antibodies for infants under one year [6][7]. Group 3: Public Health Recommendations - Non-pharmaceutical interventions are suggested, such as maintaining social distance, frequent handwashing, wearing masks, and improving ventilation [7]. - Adults are encouraged to adopt good hygiene practices to protect children from respiratory infections during the high-risk autumn and winter seasons [7][8].

天气转凉，各种病毒又开始轮番上阵，有一种病毒专挑小宝宝下手——呼吸道合胞病毒（Respiratory Syncytial Virus），简称 RSV。那么，什么是呼吸道合 胞病毒？我们该如何有效预防呢？一起了解↓ 1 什么是RSV？ RSV是一种常见的呼吸道病毒，是全球5岁以下儿童急性下呼吸道感染的主要病原体之一。儿童在2岁前普遍感染过RSV，感染后并不能获得永久性免疫， 所以可能会出现反复感染的情况。 RSV主要通过呼吸道飞沫传播和密切接触传播，也能通过接触含病毒的分泌物或污染物间接接触传播。 在人群密集、通风不良的环境中容易传播，冬季来临，各种场所通风相对不佳，更有利于病毒传播。 2 感染RSV后有哪些症状？ 感染RSV后的症状与其他呼吸道疾病症状相似，包括咳嗽、鼻塞、流鼻涕、发热、喉咙疼痛、打喷嚏等。这些症状通常会在感染后2~3天出现，大部分患者 症状在1~2周内会自行消失。 有少部分人会发展成下呼吸道感染（毛细支气管炎或肺炎），多见于低龄婴幼儿，可能会出现喂养困难、睡眠不安、呼吸急促、喘息等症状。因此RSV感染 是导致婴儿住院的主要原因之一。个别患儿可因气道损伤埋下长期健康隐患——比如肺功能受损、反复 ...