Akhtar, Naveed, Sara Hayee, Faheem Nawaz, and Muhammad Idnan. “Third Wave of COVID -19 in Pakistan: New Variants With New Travelers? Third Wave of COVID -19 in Pakistan: New Variants With New Travelers?”. Pakistan BioMedical Journal 4, no. 2 (August 13, 2021): 4–6. Accessed April 30, 2024. https://pakistanbmj.com/journal/index.php/pbmj/article/view/64.