流感季别慌！这份防护攻略请收好

Core Points - The article discusses the rising incidence of influenza and respiratory infectious diseases, highlighting a significant increase in sales of flu test kits and antiviral medications on various e-commerce platforms [2]. Group 1: Influenza Overview - Influenza is primarily caused by type A and B influenza viruses, with common clinical symptoms including fever above 38°C, headaches, muscle aches, and fatigue [5]. - Diagnosis can be made through throat swab tests for influenza virus antigens or nucleic acids, typically completed within 15 minutes to 1 hour [5]. Group 2: Treatment Recommendations - Antiviral medications should be taken within 48 hours of symptom onset for effective treatment, while antibiotics are ineffective against viral infections [5]. - Caution is advised against excessive use of antipyretics, especially combining different medications with the same active ingredients, to avoid adverse drug reactions [6]. Group 3: High-Risk Groups - High-risk populations, such as the elderly and young children, should seek immediate medical attention if experiencing severe symptoms like persistent high fever, excessive phlegm, or difficulty breathing [6][7]. Group 4: Vaccination Guidance - Vaccination remains one of the most effective and economical methods to prevent influenza, even for those who have previously contracted the virus [8]. - Different influenza virus subtypes may circulate in a single season, and vaccination can provide protection against other subtypes not previously encountered [8].