Core Viewpoint - The article emphasizes the importance of understanding and preventing influenza, particularly the H3N2 strain, which is currently the dominant virus affecting children, especially those under two years old [1] Group 1: Influenza Overview - Influenza viruses are categorized into four types: A, B, C, and D, with type A being the most likely to cause seasonal outbreaks and pandemics [1] - The H3N2 subtype has replaced H1N1 as the primary circulating strain since July of this year, leading to an increased risk of transmission due to a lack of targeted immune memory in susceptible populations [1] Group 2: Symptoms and Identification - Influenza typically presents with sudden onset, high fever (39-40°C), headaches, muscle aches, and significant fatigue, while upper respiratory symptoms may be mild [3] - In contrast, common colds primarily exhibit upper respiratory symptoms with milder overall effects [3] Group 3: Special Populations and Symptoms - Special attention is needed for children, who may exhibit gastrointestinal symptoms like nausea, vomiting, and diarrhea more frequently than adults [4] - Infants may show subtle symptoms, such as low-grade fever, lethargy, refusal to feed, and respiratory pauses [4] Group 4: Warning Signs for Severe Cases - Immediate medical attention is required for children showing signs of severe influenza, including extremely high fever (≥41°C), abnormal breathing rates, neurological symptoms, feeding difficulties, and exacerbation of underlying conditions [5] Group 5: Preventive Measures - Recommendations for preventing influenza in children include maintaining a healthy lifestyle, minimizing exposure to sick individuals, practicing respiratory etiquette, ensuring environmental cleanliness, and seeking timely medical care if symptoms arise [6] - Antiviral medication is advised for high-risk children who cannot receive vaccines or have not developed sufficient immunity [6] - Vaccination is highlighted as the most effective and economical method for preventing influenza [7] Group 6: Treatment Protocols - The first 48 hours after symptom onset is considered the "golden window" for antiviral treatment, with recommendations for high-risk groups to receive treatment even after this period [9] - Treatment should be guided by a physician, avoiding self-medication or dosage adjustments [9] - Supportive care is crucial for mild cases, while severe cases may require immediate medical intervention [9]
儿童流感防治怎么做?专家支招
Yang Guang Wang·2025-11-21 07:28