诺如病毒感染处在高发季，中疾控专家提醒注意科学预防

Core Viewpoint - The recent outbreak of norovirus infection in a school in Foshan, Guangdong, has led to 103 confirmed cases, all of which are stable, highlighting the importance of preventive measures during the high-risk season for norovirus infections from October to March [1] Group 1: Norovirus Overview - Norovirus is one of the most common pathogens causing acute gastroenteritis globally, with symptoms including vomiting and diarrhea, and it can affect anyone [1] - The incubation period for norovirus is typically 12 to 48 hours, with symptoms appearing suddenly and lasting for 1 to 3 days [1] Group 2: Prevention Measures - Key prevention strategies include cutting off transmission routes by practicing "wash hands frequently, eat cooked food, and maintain hygiene" [2] - The "Four Musts" for personal and family protection include: 1. Wash hands thoroughly before meals and after using the restroom [2] 2. Ensure food safety by drinking boiled water and eating thoroughly cooked food [3] 3. Maintain daily cleanliness by ventilating living spaces and regularly disinfecting high-contact surfaces [4] 4. Properly handle contaminated materials, especially after a family member has vomited or had diarrhea [4] Group 3: Additional Recommendations - The "Four Must Nots" include: 1. Do not drink raw water or eat raw or cold food [5] 2. Do not share personal items like utensils and towels with infected individuals [6] 3. Do not use antibiotics, as they are ineffective against viral infections [7] 4. Infected individuals should not attend school or work until symptoms have resolved and they have been symptom-free for three days [8] Group 4: Institutional Measures - Schools, childcare facilities, and nursing homes should implement health management practices, including morning and afternoon health checks and timely reporting of any abnormalities [9] - Environmental disinfection should focus on key areas such as restrooms and cafeterias, with proper handling of vomit [10] - Health education should promote handwashing and good hygiene habits among students and staff, alongside ensuring safe drinking water and monitoring the health of food-related personnel daily [11] Group 5: Response to Infection - If infected with norovirus, individuals should remain calm as symptoms are usually mild and self-limiting, with rest and isolation being crucial to prevent transmission [12] - It is important to stay hydrated, especially if experiencing vomiting and diarrhea, by consuming oral rehydration solutions or light fluids [13] - Seek medical attention if severe symptoms such as persistent high fever or signs of dehydration occur, particularly in vulnerable populations like infants and the elderly [13] - Ensure that infected individuals have separate eating utensils and bathrooms, and family members should practice good hand hygiene and improve ventilation in living spaces [13]