On May 21, in response to the rumor of "termination of the agreement between vir company and Yaoming biology", Yaoming biology CEO Chen Zhisheng responded in the wechat circle of friends: Yaoming biology has returned the Greater China rights and interests of vir covid-19 neutralizing antibody, but all vir cdmo projects have not changed and continue to be developed and produced in the company; When covid-19 epidemic broke out in 2020, Yaoming biological cooperated with vir and obtained the rights and interests of Greater China of vir covid-19 neutralizing antibody in view of the sense of corporate social responsibility; At present, covid-19 epidemic has been basically controlled, so the company has returned relevant rights and interests.