Pulojekiti yochitira msonkhano wa katemera wa COVID-2019 ya Beijing Institute of Biological Products-Pulojekiti yatsopano yayikulu kwambiri padziko lonse yochitira msonkhano wopanga katemera wa coronavirus. Pulojekitiyi yalandira thandizo lalikulu kuchokera ku gulu lofufuza ndi kupanga katemera ku Beijing. Mu gawo loyamba ...