Group 1 - The demand for flu-related medications is rising significantly as the flu season approaches, with several stocks in the sector experiencing price surges [1] - Notable stocks that have reached their daily limit include Jindike, Peking University Medicine, and Te Yi Pharmaceutical, among others [1] - Data from Alibaba Health indicates a more than 500% week-on-week increase in the number of people purchasing antiviral flu medications, with Mabalosavir showing a remarkable over 600% increase [1] Group 2 - Experts warn that the H3N2 strain circulating this year is different from previous years, leading to lower immunity in the population and increased transmission risk [2] - The flu virus is known to undergo antigenic drift, but current strains are still within seasonal levels and do not indicate a stronger evolution of the virus [2] Group 3 - Companies are actively ensuring the supply of flu medications and vaccines in response to rising demand [3] - Dongyang Sunshine, a major supplier of Oseltamivir, reports comprehensive coverage of its products across hospitals, pharmacies, and online platforms, maintaining sufficient inventory [3] - Hualan Biological has noted a significant increase in demand for flu vaccines since October, with plans to enhance market supply and ensure timely delivery through cold chain logistics [3]