1. Assessing the effectiveness of COVID-19 vaccines in Pakistan: A test-negative case-control study. Issue 5 (May 2023) Authors: Nisar, Muhammad Imran; Ansari, Nadia; Malik, Amyn Abdul; Shahid, Shahira; Lalani, Kiran Ramzan Ali; Chandna, Maaheen Ahmed; Younus, Ayesha Mansoor; Hasan, Zahra; Khan, Unab; Khalid, Farah; Mahesar, Marvi; Farrukh Qazi, Muhammad; Yildirim, Inci; Jehan, Fyezah; Omer, Saad Bin Journal: Journal of infection Issue: Volume 86:Issue 5(2023) Page Start: e144 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗