CB International Biotech Inc is a U.S.-based bio-pharmaceutical corporation which since 1998 has been focused on developing vaccines and diagnostics for infectious disease for developing countries. Now developing Preventive and Therapeutic Vaccines for Corona-virus. The current threat of avian influenza to the human population, the potential for the reemergence of severe acute respiratory syndrome (SARS)-associated corona-virus, and the identification of multiple novel respiratory viruses underline the necessity for the development of therapeutic and preventive strategies to combat viral infection. Vaccine development is a key component in the prevention of widespread viral infection and in the reduction of morbidity and mortality associated with many viral infections. In this part, corona-virus vaccine, especially SARS-CoV-2019 vaccines are important to the world because of it’s spread worldwide pandemic.