Nimra Kanwal, N. I. Butt, Samrina Sadaf, Syed Asif Hussain, Anum Rasheed, and Sadia Babu, “ Post-vaccination Severity and Outcome of COVID-19”, J. Univ. Med. Dent. Coll. , vol. 14, no. 2, pp. 601-605, May 2023.