@article{{MRA}{}, author = {Mweetwa, L., Tlhoiwe, D., Tlhoiwe, T., Tshiamo, K., Munsaka, S., Kenaope, T., Mothibe, G., Mokate, O., Oluwabusola, E.}, title = { Development of first Generation COVID-19 Vaccines: State-of the-Art Technologies and future Implications!}, journal = {Medical Research Archives}, volume = {10}, number = {9}, year = {2022}, doi = {10.18103/mra.v10i9.3027}, url = {https://esmed.org/MRA/mra/article/view/3027} }