诺如病毒感染进入高发季，公众需提高警惕。诺如病毒是一种高度传染性的肠道病毒，主要通过被污染的食物、水源、接触感染者或其排泄物传播。每年10月至次年3月是诺如病毒感染的高发期，尤其在幼儿园、学校、养老院等人群密集场所易发生聚集性疫情。感染后常见症状包括恶心、呕吐、腹泻、腹痛、低热和乏力等，通常在12至48小时内发病，病程一般持续1至3天。虽然多数患者可自愈，但婴幼儿、老年人及免疫力低下者可能出现脱水等严重并发症，需及时就医。预防诺如病毒感染的关键在于保持良好的个人卫生习惯：勤洗手，尤其是在如厕后和进食前；避免食用未煮熟的贝类等高风险食物；对被污染的环境表面及时消毒；感染者应居家隔离，避免与他人共用餐具或亲密接触。目前尚无针对诺如病毒的特效药和疫苗，因此预防尤为重要。公众应增强防范意识，科学应对，减少感染风险。
Norovirus infections are entering their peak season, and the public should remain vigilant. Norovirus is a highly contagious gastrointestinal virus primarily spread through contaminated food or water, direct contact with infected individuals, or exposure to their feces or vomit. The period from October to March each year marks the high-incidence season for norovirus, with outbreaks commonly occurring in crowded settings such as kindergartens, schools, and nursing homes.Common symptoms include nausea, vomiting, diarrhea, abdominal pain, low-grade fever, and fatigue. Symptoms typically appear within 12 to 48 hours after exposure and last for 1 to 3 days. While most people recover without specific treatment, infants, the elderly, and those with weakened immune systems may develop severe complications like dehydration and require medical attention.Prevention hinges on good hygiene practices: wash hands frequently—especially after using the restroom and before eating; avoid consuming undercooked shellfish and other high-risk foods; promptly disinfect contaminated surfaces; and infected individuals should stay home and avoid sharing utensils or close contact with others. Currently, there is no specific antiviral treatment or vaccine for norovirus, making prevention critically important. The public should heighten awareness and adopt science-based measures to reduce infection risk.
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