Group 1 - The National Healthcare Security Administration announced that drug procurement will no longer simply reference the lowest bid, indicating a shift in policy that could benefit companies with strong quality systems and cost advantages [1] - The recent announcement led to a significant increase in Hong Kong's biopharmaceutical stocks, particularly in the vaccine sector, with notable gains for companies such as Ai Mei Vaccine (+13.5%) and CanSino Biologics (+9.03%) [1] - The 11th batch of centralized procurement has been initiated, with new rules optimizing the calculation of price differences and requiring transparency from the lowest bidders regarding the rationality of their pricing [1] Group 2 - The vaccine sector has shown remarkable performance due to multiple favorable factors, including a warning from the World Health Organization regarding mosquito-borne diseases, which has boosted market sentiment [2] - Ai Mei Vaccine has successfully commercialized eight vaccines, including leading products like rabies and hepatitis B vaccines, and has a robust pipeline of 21 vaccines in development, with three key products nearing market launch [2] - The vaccine sector is seen as having significant potential for valuation recovery, as many companies' pipeline values have not yet been fully reflected in their market valuations [2]