Group 1 - The company, YHLO (688575.SH), currently does not have any products related to Nipah virus testing [1] - YHLO specializes in respiratory infection immunity, particularly in Mycoplasma pneumoniae and EB virus, which are traditional projects for the company [1] - YHLO is the first domestic biotechnology company to apply chemiluminescence technology to serological testing for Mycoplasma pneumoniae and is one of the few domestic IVD suppliers capable of providing simultaneous IgG and IgM subtype testing for Mycoplasma pneumoniae and Chlamydia [1]