Singh, R. ., Bothra, N. ., Mohan Challa, M. ., & Kandra, P. (2022). A review on covid-19: From molecular variability, drug development to status of vaccine clinical trials : Life Science-Covid –From Genetic makeup to vaccine. International Journal of Life Science and Pharma Research, 12(1), L55-L71. https://doi.org/10.22376/ijpbs/lpr.2022.12.1.L55-71