自愈≠安全！流感季接种疫苗仍能防护

Core Insights - The current flu activity in the country has entered a rapid increase phase, with most provinces reaching moderate epidemic levels [1] Group 1: Flu Vaccine Recommendations - It is not recommended to receive the flu vaccine during the acute phase of infection; vaccination should occur after symptoms have resolved and the body has mostly recovered [2] - For individuals who have experienced flu-like symptoms but have not been diagnosed and have self-recovered, vaccination is advised due to the high risk of respiratory infections during the autumn and winter seasons [3] - The current flu season is primarily dominated by the H3N2 subtype, but there are also instances of H1N1 and B-type flu circulating, indicating that vaccination can still provide protection against other subtypes even after infection with one [3] Group 2: Current Flu Situation - The flu virus is subject to antigenic drift, leading to seasonal epidemics; however, there are no new or unknown pathogens causing outbreaks this season [4] - The current flu season (2025-2026) is characterized by H3N2 as the main circulating strain, with a notable increase in reported outbreaks in schools and childcare facilities, particularly among the 5-14 age group [4] Group 3: Public Health Recommendations - A dual strategy of "vaccination + hygiene practices" is recommended to reduce the risk of infection and severe illness [5] - Good personal hygiene practices, such as frequent handwashing and proper respiratory etiquette, are essential, especially in public spaces [5] - Monitoring health conditions and minimizing contact with others when experiencing flu-like symptoms is crucial to prevent transmission [5][6]