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Continue to ChatThe coronavirus-2 (SARS-CoV-2) has created a potentially fatal disease, coronaviruses disease-2019 (COVID-19) Despite the continuous efforts of researchers to find effective vaccines and drugs for COVID-20, there is still no success. The literature regarding the vaccine candidates currently in the clinical trials, as well as main candidates in pre-clinical stages for development and research, were reviewed. There are several limitations in the field of rapid vaccine development against SARS-CoV- https://umdaa.co/blogs/1501/covid-19-vaccine-where-are-we-now-and-where-should-we-go