ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,434, issued on March 18, was assigned to SHANGHAI PUBLIC HEALTH CLINICAL CENTER (Shanghai) and Shanghai Yizhe Biotechnology Co. Ltd. (Shanghai).

"Target sequence of RNA virus and use thereof" was invented by Wenqiang Yu (Shanghai), Zhenyan Li (Shanghai), Jianqing Xu (Shanghai), Hailin Wang (Shanghai), Wei Li (Shanghai), Cheng Lian (Shanghai) and Peng Xu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a target sequence of an RNA virus. The target sequence is a nucleic acid sequence fragment in the gene sequence in the RNA virus containing 20-40 bases and having not less than 95% similarity to genome sequence o...