Al-Khayat, Zakarea Abdullah Yaseen, Sharmeen Qadr Faqi, Dlshad Abdullah Hasan, and Dalia Yaqoub Falo. “Single Center Study of Vaccination Breakthrough Infection With SARS-CoV-2 Among Erbil Population in August 2021”. Journal of Contemporary Medical Sciences 7, no. 5 (October 2, 2021). Accessed April 25, 2024. https://www.jocms.org/index.php/jcms/article/view/951.