K. Shneine, Jawad, and Shayma M. Ahmad. “Overview and Recommendations on Worrying SARS-CoV-2 Virus Variants (VOC)”. Al-Nahrain Journal of Science 25, no. 3 (October 1, 2022): 51–52. Accessed May 22, 2026. https://mail.anjs.edu.iq/index.php/anjs/article/view/2368.