Overview of Drug Therapy of COVID-19 with Safety and the Potential Clinical Benefits

The discovery and development of the drug/vaccine for Coronavirus Disease 2019 (COVID-19) is the process of developing a preventive vaccine or treatment drug to reduce the severity of COVID-19. Internationally, hundreds of pharmaceutical companies, biotechnology companies, university research groups, and the World Health Organization (WHO) have developed vaccines for the past few centuries. Currently, they are continuously putting effort into developing possible therapies for COVID-19 disease, which are now at various stages of the preclinical or clinical research stage. In addition, researchers are trying to accelerate the development of vaccines, antiviral drugs, and postinfection treatments. Many previously approved drug candidates are already studied to alleviate discomfort during the disease complication. In this paper, we reviewed the research progress of COVID- 19 therapeutic drugs.