接下来一个月做这件事，能保护一整年的健康（不是贴秋膘）

Group 1 - The article emphasizes the importance of getting the flu vaccine, especially as flu activity is starting to rise in China, with approximately 1 billion seasonal flu cases annually, leading to 290,000 to 650,000 respiratory deaths each year [1][10] - It highlights that flu vaccines can significantly reduce the severity of the illness and the risk of complications, making vaccination a crucial preventive measure [1][11] Group 2 - There are three main types of flu vaccines approved in China: trivalent inactivated vaccines (IIV3), quadrivalent inactivated vaccines (IIV4), and trivalent live attenuated vaccines (LAIV3) [2][4] - The differences among these vaccines include the type of vaccine (inactivated vs. live attenuated), the number of strains covered (three vs. four), and the preparation methods (split vs. subunit) [3][6] Group 3 - The World Health Organization (WHO) has updated the recommended vaccine components for the 2025-2026 Northern Hemisphere flu season, indicating that the quadrivalent and trivalent vaccines can provide sufficient protection [10] - The article suggests that flu vaccines in most regions of China are classified as Category II vaccines, requiring voluntary and self-paid vaccination, with prices ranging from 100 to 500 yuan depending on various factors [10] Group 4 - Certain high-risk groups are prioritized for vaccination, including healthcare workers, elderly individuals over 60, those with chronic diseases, pregnant women, and young children aged 6 to 59 months [11][19] - The article stresses that even healthy adults should consider getting vaccinated to reduce the overall risk of flu transmission within the community [13][19] Group 5 - The article advises that flu vaccines do not provide immediate protection and typically take 2 to 4 weeks to become effective, making early vaccination in the fall crucial [21] - It also mentions that maintaining good respiratory hygiene and avoiding close contact with symptomatic individuals are important preventive measures alongside vaccination [22]