China approves 4th COVID-19 vaccine for emergency use
This photo taken from the website of the Institue of Microbiology of the Chinese Academy of Sciences shows vials of the recombinant protein subunit COVID-19 developed by the institute and Anhui Zhifei Longcom Biopharmaceutical. China approved a recombinant protein subunit vaccine against COVID-19 for emergency use last Wednesday, according to the vaccine's developer, the Institute […]