Fade, R. H., Mohemed Fleeh Dareef and Microbiology, S. M. M. (2024) “Effect of The Pfizer-Biontech Vaccine on Ifn-Γ Serum Levels and its Genetic Variations in Response to Vaccination”, South Eastern European Journal of Public Health, pp. 882–887. doi: 10.70135/seejph.vi.1612.