Group 1 - The core point of the article is that Zhifei Biological has recently obtained an invention patent certificate from the National Intellectual Property Administration of the People's Republic of China for a product related to GII.2 norovirus antibodies and their preparation methods and applications [1] Group 2 - Zhifei Biological's subsidiaries, Anhui Zhifei Longkema Biopharmaceutical Co., Ltd. and Beijing Zhifei Lvzhu Biopharmaceutical Co., Ltd., are also involved in this patent acquisition [1]