[1]
Omer, E.O., Bakri, M., Idris , A.-N.K.B., Abdalla, N.O.S., Eltayeb , R.A., Elmahi, E.I., Zaroog, M.S., Hassan, M.E. and Nabag, M. 2024. The effectiveness of the Covid 19 vaccine in reducing infection in Dongola city, Northern State, Sudan. South Eastern European Journal of Public Health. (Dec. 2024), 1868–1874. DOI:https://doi.org/10.70135/seejph.vi.2707.