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Sahak, Shukrullah, Abdul Nasir Jabarkhil, Salahuddin Rahime, Habibullah Mulavizada, and Kamran Zafarzai. “Prevalence of the Novel COVD-19 in Nangarhar Province Corona Center Hospital During June 2020 to August 2021”. Nangarhar University International Journal of Biosciences 2, no. 03 (September 30, 2023): 72–79. Accessed August 20, 2026. http://nuijb.nu.edu.af/index.php/nuijb/article/view/71.