中疾控：甲型H3N2亚型流感病毒仍然占流行优势

Core Insights - The National Health Commission of China held a press conference discussing the relationship between seasonal health and the "Major Snow" solar term, highlighting the current flu situation in the country [1] Group 1: Flu Situation - Influenza is an acute respiratory infectious disease caused by the influenza virus, with a high susceptibility in the population, potentially leading to severe complications such as pneumonia and heart damage [1] - Currently, 17 provinces in China are experiencing high levels of flu activity, while the remaining provinces are at moderate levels, with a positive detection rate of flu virus at 51% among flu-like cases in outpatient and emergency visits, not exceeding the highest level in the past three years [1] - The detection rate of flu virus is significantly higher in the 5-14 age group compared to other age groups, and it is expected that the peak of flu cases will likely occur in mid-December [1] - The H3N2 subtype of the influenza virus remains dominant, accounting for over 95% of cases, with a small number of H1N1 and B-type influenza viruses circulating simultaneously [1] - The current flu season has seen a noticeable increase in the number of cluster outbreaks compared to the previous season, particularly in crowded places such as schools, childcare institutions, and nursing homes [1] Group 2: Recommendations for Vaccination - It is recommended to prioritize vaccination for key and high-risk groups to mitigate the impact of the flu, including individuals aged 60 and above, those with chronic diseases, residents and staff in congregate settings, pregnant women, children aged 6 months to 5 years, and caregivers of infants under 6 months [2] - Individuals are encouraged to get vaccinated at healthcare institutions with immunization clinics to prevent infection and reduce the risk of severe illness [2] - Companies and industry organizations are urged to facilitate flu vaccination for key groups and employees through centralized organization and payment, with healthcare institutions offering on-site services for units with a high number of vaccinated individuals [2]